{"id":76973,"date":"2024-03-05T18:03:20","date_gmt":"2024-03-05T18:03:20","guid":{"rendered":"https:\/\/www.zaptest.com\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9"},"modified":"2024-03-05T21:10:40","modified_gmt":"2024-03-05T21:10:40","slug":"%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9","status":"publish","type":"post","link":"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9","title":{"rendered":"\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL &#8211; \u0392\u03b1\u03b8\u03b9\u03ac \u03b5\u03bc\u03b2\u03ac\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9, \u03c4\u03cd\u03c0\u03bf\u03b9, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1!"},"content":{"rendered":"<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 &#8211; \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL &#8211; \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c3\u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u039f\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bb\u03bb\u03ad\u03b3\u03bf\u03c5\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03bd\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03b6\u03bf\u03c5\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd \u03ae \u03c3\u03b5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2, \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03b5\u03c2 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7.<\/p>\n<p>\u0391\u03c2 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae Extract Transform Load \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af, \u03c0\u03c1\u03bf\u03c4\u03bf\u03cd \u03bc\u03bf\u03b9\u03c1\u03b1\u03c3\u03c4\u03bf\u03cd\u03bc\u03b5 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #b90000;color:#b90000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #b90000;color:#b90000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CF%84%CE%BF_Extract-Transform-Load\" >\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf Extract-Transform-Load,<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%BA%CE%B1%CE%B9_%CF%80%CF%8E%CF%82_%CE%BB%CE%B5%CE%B9%CF%84%CE%BF%CF%85%CF%81%CE%B3%CE%B5%CE%AF\" >\u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%91%CF%80%CF%8C%CF%83%CF%80%CE%B1%CF%83%CE%BC%CE%B1\" >1. \u0391\u03c0\u03cc\u03c3\u03c0\u03b1\u03c3\u03bc\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%9C%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82\" >2. \u039c\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%A6%CE%BF%CF%81%CF%84%CE%AF%CE%BF\" >3. \u03a6\u03bf\u03c1\u03c4\u03af\u03bf:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%BF_%CE%AD%CE%BB%CE%B5%CE%B3%CF%87%CE%BF%CF%82_ETL\" >\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 ETL;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A0%CF%8E%CF%82_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%AF%CE%B6%CE%B5%CE%B9_%CF%84%CE%BF_%CE%B5%CE%BA%CF%87%CF%8D%CE%BB%CE%B9%CF%83%CE%BC%CE%B1\" >\u03a0\u03ce\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf \u03b5\u03ba\u03c7\u03cd\u03bb\u03b9\u03c3\u03bc\u03b1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%B5%CF%81%CE%B3%CE%B1%CF%83%CE%AF%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82_%CF%86%CE%BF%CF%81%CF%84%CE%AF%CE%BF%CF%85\" >\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%91%CF%80%CF%8C%CF%83%CF%80%CE%B1%CF%83%CE%BC%CE%B1-2\" >1. \u0391\u03c0\u03cc\u03c3\u03c0\u03b1\u03c3\u03bc\u03b1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%9C%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82-2\" >2. \u039c\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%A6%CE%BF%CF%81%CF%84%CE%AF%CE%BF-2\" >3. \u03a6\u03bf\u03c1\u03c4\u03af\u03bf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%94%CE%B9%CE%B1%CF%86%CE%BF%CF%81%CE%B5%CF%84%CE%B9%CE%BA%CE%BF%CE%AF_%CF%84%CF%8D%CF%80%CE%BF%CE%B9_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_ETL\" >\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD_%CF%80%CE%B7%CE%B3%CE%AE%CF%82\" >1. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CF%83%CF%85%CE%BC%CF%86%CF%89%CE%BD%CE%AF%CE%B1%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD_%CF%80%CE%B7%CE%B3%CE%AE%CF%82-%CF%83%CF%84%CF%8C%CF%87%CE%BF%CF%85\" >2. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03af\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-2\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-2\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\" >3. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-3\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-3\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\" >4. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-4\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-4\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#5_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CE%B9%CE%BA%CE%AE%CF%82_%CE%B1%CE%BA%CE%B5%CF%81%CE%B1%CE%B9%CF%8C%CF%84%CE%B7%CF%84%CE%B1%CF%82_ETL\" >5. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 ETL<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-5\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-5\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#6_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_%CE%B5%CE%BD%CF%83%CF%89%CE%BC%CE%AC%CF%84%CF%89%CF%83%CE%B7%CF%82\" >6. \u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-6\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-6\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#7_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%B4%CF%8C%CF%83%CE%B5%CF%89%CE%BD\" >7. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-7\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-7\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#8_%CE%9B%CE%B5%CE%B9%CF%84%CE%BF%CF%85%CF%81%CE%B3%CE%B9%CE%BA%CE%AE_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE\" >8. \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-8\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-8\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#9_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CF%80%CE%B1%CE%BB%CE%B9%CE%BD%CE%B4%CF%81%CF%8C%CE%BC%CE%B7%CF%83%CE%B7%CF%82\" >9. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-9\" >\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-9\" >\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#8_%CF%83%CF%84%CE%AC%CE%B4%CE%B9%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_ETL_%CE%BC%CE%B5\" >8 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03bc\u03b5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#8_%CF%83%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AD%CF%82_%CE%B5%CE%BC%CF%80%CE%B5%CE%B9%CF%81%CE%BF%CE%B3%CE%BD%CF%89%CE%BC%CF%8C%CE%BD%CF%89%CE%BD_%CE%B3%CE%B9%CE%B1_%CE%B5%CF%80%CE%B9%CF%84%CF%85%CF%87%CE%AF%CE%B1\" >8 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03bf\u03b3\u03bd\u03c9\u03bc\u03cc\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%A3%CF%85%CE%BB%CE%BB%CE%BF%CE%B3%CE%AE_%CE%B5%CF%80%CE%B9%CF%87%CE%B5%CE%B9%CF%81%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CF%8E%CE%BD_%CE%B1%CF%80%CE%B1%CE%B9%CF%84%CE%AE%CF%83%CE%B5%CF%89%CE%BD\" >#1. \u03a3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%A0%CF%81%CE%BF%CF%83%CE%B4%CE%B9%CE%BF%CF%81%CE%B9%CF%83%CE%BC%CF%8C%CF%82_%CE%BA%CE%B1%CE%B9_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7_%CF%80%CE%B7%CE%B3%CF%8E%CE%BD_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\" >#2. \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03c0\u03b7\u03b3\u03ce\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-2\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%93%CF%81%CE%AC%CF%88%CF%84%CE%B5_%CF%80%CE%B5%CF%81%CE%B9%CF%80%CF%84%CF%8E%CF%83%CE%B5%CE%B9%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD\" >#3. \u0393\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-3\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_%CE%95%CE%BA%CF%84%CE%AD%CE%BB%CE%B5%CF%83%CE%B7_%CF%80%CE%B5%CF%81%CE%B9%CF%80%CF%84%CF%8E%CF%83%CE%B5%CF%89%CE%BD_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82\" >#4. \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-4\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#5_%CE%94%CE%B7%CE%BC%CE%B9%CE%BF%CF%85%CF%81%CE%B3%CE%AF%CE%B1_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CF%8E%CE%BD\" >#5. \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-5\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#6_%CE%95%CF%80%CE%B1%CE%BD%CE%AD%CE%BB%CE%B5%CE%B3%CF%87%CE%BF%CF%82_%CE%B3%CE%B9%CE%B1_%CF%83%CF%86%CE%AC%CE%BB%CE%BC%CE%B1%CF%84%CE%B1_%CE%BA%CE%B1%CE%B9_%CE%B1%CF%84%CE%AD%CE%BB%CE%B5%CE%B9%CE%B5%CF%82\" >#6. \u0395\u03c0\u03b1\u03bd\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c4\u03ad\u03bb\u03b5\u03b9\u03b5\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-6\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#7_%CE%A4%CE%B5%CE%BB%CE%B9%CE%BA%CE%AD%CF%82_%CE%B5%CE%BA%CE%B8%CE%AD%CF%83%CE%B5%CE%B9%CF%82\" >#7. \u03a4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-7\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#8_%CE%9A%CE%BB%CE%B5%CE%AF%CF%83%CE%B9%CE%BC%CE%BF_%CF%84%CF%89%CE%BD_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CF%8E%CE%BD\" >#8. \u039a\u03bb\u03b5\u03af\u03c3\u03b9\u03bc\u03bf \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-8\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%9F%CF%86%CE%AD%CE%BB%CE%B7_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_%CF%86%CE%BF%CF%81%CF%84%CE%AF%CE%BF%CF%85_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D_%CE%B5%CE%BA%CF%87%CF%85%CE%BB%CE%AF%CF%83%CE%BC%CE%B1%CF%84%CE%BF%CF%82\" >\u039f\u03c6\u03ad\u03bb\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03ba\u03c7\u03c5\u03bb\u03af\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%91%CE%BA%CF%81%CE%AF%CE%B2%CE%B5%CE%B9%CE%B1_%CE%BA%CE%B1%CE%B9_%CE%B1%CE%BA%CE%B5%CF%81%CE%B1%CE%B9%CF%8C%CF%84%CE%B7%CF%84%CE%B1_%CF%84%CF%89%CE%BD_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\" >1. \u0391\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%95%CE%BE%CE%BF%CE%B9%CE%BA%CE%BF%CE%BD%CF%8C%CE%BC%CE%B7%CF%83%CE%B7_%CF%87%CF%81%CF%8C%CE%BD%CE%BF%CF%85_%CE%BA%CE%B1%CE%B9_%CF%87%CF%81%CE%B7%CE%BC%CE%AC%CF%84%CF%89%CE%BD\" >2. \u0395\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%91%CF%80%CF%8C%CE%B4%CE%BF%CF%83%CE%B7\" >3. \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_%CE%A3%CF%85%CE%BC%CE%BC%CF%8C%CF%81%CF%86%CF%89%CF%83%CE%B7\" >4. \u03a3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#5_%CE%9A%CE%B1%CE%BB%CF%8D%CF%84%CE%B5%CF%81%CE%B7_%CE%BB%CE%AE%CF%88%CE%B7_%CE%B1%CF%80%CE%BF%CF%86%CE%AC%CF%83%CE%B5%CF%89%CE%BD\" >5. \u039a\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A0%CF%81%CE%BF%CE%BA%CE%BB%CE%AE%CF%83%CE%B5%CE%B9%CF%82_%CF%80%CE%BF%CF%85_%CF%83%CF%87%CE%B5%CF%84%CE%AF%CE%B6%CE%BF%CE%BD%CF%84%CE%B1%CE%B9_%CE%BC%CE%B5_%CF%84%CE%B9%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_ETL\" >\u03a0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%8C%CE%B3%CE%BA%CE%BF%CF%82_%CE%BA%CE%B1%CE%B9_%CF%80%CE%BF%CE%BB%CF%85%CF%80%CE%BB%CE%BF%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B1_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\" >1. \u038c\u03b3\u03ba\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%95%CE%BE%CE%AC%CF%81%CF%84%CE%B7%CF%83%CE%B7_%CE%B1%CF%80%CF%8C_%CF%84%CE%BF_%CF%80%CE%B7%CE%B3%CE%B1%CE%AF%CE%BF_%CF%83%CF%8D%CF%83%CF%84%CE%B7%CE%BC%CE%B1\" >2. \u0395\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b7\u03b3\u03b1\u03af\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%A0%CE%BF%CE%BB%CF%85%CF%80%CE%BB%CE%BF%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B5%CF%82_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D\" >3. \u03a0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_%CE%9C%CE%B5%CF%84%CE%B1%CF%84%CF%8C%CF%80%CE%B9%CF%83%CE%B7_%CF%84%CF%89%CE%BD_%CE%B1%CF%80%CE%B1%CE%B9%CF%84%CE%AE%CF%83%CE%B5%CF%89%CE%BD\" >4. \u039c\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#5_%CE%A0%CE%B5%CF%81%CE%B9%CE%BF%CF%81%CE%B9%CF%83%CE%BC%CE%BF%CE%AF_%CF%84%CE%BF%CF%85_%CF%80%CE%B5%CF%81%CE%B9%CE%B2%CE%AC%CE%BB%CE%BB%CE%BF%CE%BD%CF%84%CE%BF%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82\" >5. \u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AD%CF%82_%CE%BA%CE%B1%CE%B9_%CE%B2%CE%AD%CE%BB%CF%84%CE%B9%CF%83%CF%84%CE%B5%CF%82_%CF%80%CF%81%CE%B1%CE%BA%CF%84%CE%B9%CE%BA%CE%AD%CF%82_ETL\" >\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 ETL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_%CE%A3%CF%85%CE%BD%CE%B5%CF%87%CE%B5%CE%AF%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82\" >#1. \u03a3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_%CE%9A%CE%B1%CE%BD%CE%AD%CE%BD%CE%B1%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%B1%CF%83%CF%84%CE%AE%CF%82_ETL_%CE%B4%CE%B5%CE%BD_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%BD%CE%B7%CF%83%CE%AF\" >#2. \u039a\u03b1\u03bd\u03ad\u03bd\u03b1\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 ETL \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b7\u03c3\u03af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_%CE%97_%CE%BA%CE%B1%CE%BB%CE%AE_%CF%84%CE%B5%CE%BA%CE%BC%CE%B7%CF%81%CE%AF%CF%89%CF%83%CE%B7_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%B6%CF%89%CF%84%CE%B9%CE%BA%CE%AE%CF%82_%CF%83%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1%CF%82\" >#3. \u0397 \u03ba\u03b1\u03bb\u03ae \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_%CE%91%CF%85%CF%84%CE%BF%CE%BC%CE%B1%CF%84%CE%BF%CF%80%CE%BF%CE%B9%CE%AE%CF%83%CF%84%CE%B5_%CF%8C%CF%83%CE%BF_%CF%84%CE%BF_%CE%B4%CF%85%CE%BD%CE%B1%CF%84%CF%8C%CE%BD_%CF%80%CE%B5%CF%81%CE%B9%CF%83%CF%83%CF%8C%CF%84%CE%B5%CF%81%CE%BF\" >#4. \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03cc\u03c3\u03bf \u03c4\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B1_%CE%BA%CE%B1%CE%BB%CF%8D%CF%84%CE%B5%CF%81%CE%B1_%CE%B5%CF%81%CE%B3%CE%B1%CE%BB%CE%B5%CE%AF%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_%CE%B1%CF%85%CF%84%CE%BF%CE%BC%CE%B1%CF%84%CE%BF%CF%80%CE%BF%CE%AF%CE%B7%CF%83%CE%B7%CF%82_ETL\" >\u03a4\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 ETL<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#5_QuerySurge\" >#5. QuerySurge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#4_iCEDQ\" >#4. iCEDQ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#3_RightData\" >#3. RightData<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#2_BiG_EVAL\" >#2. BiG EVAL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-80\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#1_ZAPTEST_%CE%97_%CE%BD%CE%BF%CF%8D%CE%BC%CE%B5%CF%81%CE%BF_1_%CE%B5%CF%80%CE%B9%CE%BB%CE%BF%CE%B3%CE%AE_%CE%B3%CE%B9%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_ETL\" >#1. ZAPTEST: \u0397 \u03bd\u03bf\u03cd\u03bc\u03b5\u03c1\u03bf 1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-81\" href=\"https:\/\/www.zaptest.com\/el\/%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ad%cf%82-etl-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9\/#%CE%A4%CE%B5%CE%BB%CE%B9%CE%BA%CE%AD%CF%82_%CF%83%CE%BA%CE%AD%CF%88%CE%B5%CE%B9%CF%82\" >\u03a4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03c3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CF%84%CE%BF_Extract-Transform-Load\"><\/span><strong>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf Extract-Transform-Load,  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%BA%CE%B1%CE%B9_%CF%80%CF%8E%CF%82_%CE%BB%CE%B5%CE%B9%CF%84%CE%BF%CF%85%CF%81%CE%B3%CE%B5%CE%AF\"><\/span><strong>\u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img data-dominant-color=\"555f5e\" data-has-transparency=\"false\" style=\"--dominant-color: #555f5e;\" decoding=\"async\" class=\"aligncenter wp-image-76896 not-transparent\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-683x1024.webp\" alt=\"\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL - \u0392\u03b1\u03b8\u03b9\u03ac \u03b5\u03bc\u03b2\u03ac\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9, \u03c4\u03cd\u03c0\u03bf\u03b9, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1!\" width=\"216\" height=\"324\" srcset=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-683x1024.webp 683w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-200x300.webp 200w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-768x1152.webp 768w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-1024x1536.webp 1024w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-1365x2048.webp 1365w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-1080x1620.webp 1080w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-1280x1920.webp 1280w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-980x1470.webp 980w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-480x720.webp 480w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/03\/ETL-Testing-Deep-Dive-into-What-is-It-Types-Process-Approaches-Tools-More-scaled.webp 1707w\" sizes=\"(max-width: 216px) 100vw, 216px\" \/><\/p>\n<p>\u0397 \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae-\u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03bf\u03c0\u03ae-\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 (ETL) \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7. \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03bf ETL \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03c0\u03cc \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03b3\u03ba\u03ad\u03bd\u03c4\u03c1\u03c9\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03bc\u03b9\u03b1 \u03bb\u03af\u03bc\u03bd\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u0391\u03c2 \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03c3\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03bc\u03ad\u03c1\u03b7, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03b1\u03c6\u03ae\u03bd\u03b5\u03b9\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%91%CF%80%CF%8C%CF%83%CF%80%CE%B1%CF%83%CE%BC%CE%B1\"><\/span><strong>1. \u0391\u03c0\u03cc\u03c3\u03c0\u03b1\u03c3\u03bc\u03b1:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2. \u039f\u03b9 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bc\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae ERP \u03ae CRM, \u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c6\u03cd\u03bb\u03bb\u03b1, \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ae \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%9C%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82\"><\/span><strong>2. \u039c\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039c\u03cc\u03bb\u03b9\u03c2 \u03b5\u03be\u03b1\u03c7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03c3\u03b5\u03c4\u03b5 \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b3\u03b9\u03b1 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03bf\u03c0\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%A6%CE%BF%CF%81%CF%84%CE%AF%CE%BF\"><\/span><strong>3. \u03a6\u03bf\u03c1\u03c4\u03af\u03bf:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c5\u03bd\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1-\u03c3\u03c4\u03cc\u03c7\u03bf. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bc\u03b9\u03b1 \u03bb\u03af\u03bc\u03bd\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03ad\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf \u03b1\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c1\u03b9\u03bf.<\/p>\n<p>&nbsp;<\/p>\n<p>\u0391\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf <a href=\"https:\/\/www.ibm.com\/topics\/etl\">ETL \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1 \u03c4\u03bf\u03c5 1970<\/a>, \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c0\u03c1\u03cc\u03c3\u03c6\u03b1\u03c4\u03b1 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03bf\u03b9\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b1\u03c0\u03cc \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 cloud, \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf, \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 ML\/AI.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%BF_%CE%AD%CE%BB%CE%B5%CE%B3%CF%87%CE%BF%CF%82_ETL\"><\/span><strong>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 ETL;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img data-dominant-color=\"112030\" data-has-transparency=\"false\" style=\"--dominant-color: #112030;\" decoding=\"async\" class=\"aligncenter wp-image-76245 not-transparent\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-1024x683.webp\" alt=\"\u03a3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03bf\u03cd - \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9, \u03c4\u03cd\u03c0\u03bf\u03b9, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1!\" width=\"542\" height=\"361\" srcset=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-1024x683.webp 1024w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-300x200.webp 300w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-768x512.webp 768w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-1536x1024.webp 1536w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-1080x720.webp 1080w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-1280x853.webp 1280w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-980x653.webp 980w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-480x320.webp 480w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/02\/Test-Plan-in-Software-Testing-What-is-It-Types-Process-Approaches-Tools-More-jpg.webp 1920w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/p>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bb\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c0\u03b7\u03b3\u03ae \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03b4\u03bf\u03b8\u03b5\u03af \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5\u03c2. \u038c\u03c0\u03c9\u03c2 \u03b8\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03b1\u03c6\u03bf\u03cd \u03b5\u03be\u03b1\u03c7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2. \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ac \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1. \u039c\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae.<\/p>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03af\u03b4\u03bf\u03c2 <a href=\"https:\/\/www.zaptest.com\/el\/black-box-testing-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%cf%8d%cf%80%ce%bf%ce%b9-%ce%b4%ce%b9%ce%b1%ce%b4%ce%b9%ce%ba%ce%b1%cf%83%ce%af%ce%b1-%cf%80%cf%81%ce%bf%cf%83%ce%b5%ce%b3\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03bc\u03b1\u03cd\u03c1\u03bf\u03c5 \u03ba\u03bf\u03c5\u03c4\u03b9\u03bf\u03cd<\/a>, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae\u03c2, \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5\u03c2. \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b5\u03c3\u03c4\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c4\u03b9 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c9\u03c2 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b9\u03c3\u03c1\u03bf\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c3\u03c4\u03bf \u03c0\u03ce\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c5\u03b3\u03c7\u03ac\u03bd\u03b5\u03b9 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c3\u03b5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2, \u03bf\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03ba\u03bf\u03c5\u03c4\u03b9\u03bf\u03cd, \u03b9\u03b4\u03af\u03c9\u03c2 \u03cc\u03c4\u03b1\u03bd \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A0%CF%8E%CF%82_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%AF%CE%B6%CE%B5%CE%B9_%CF%84%CE%BF_%CE%B5%CE%BA%CF%87%CF%8D%CE%BB%CE%B9%CF%83%CE%BC%CE%B1\"><\/span><strong>\u03a0\u03ce\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf \u03b5\u03ba\u03c7\u03cd\u03bb\u03b9\u03c3\u03bc\u03b1  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%B5%CF%81%CE%B3%CE%B1%CF%83%CE%AF%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82_%CF%86%CE%BF%CF%81%CF%84%CE%AF%CE%BF%CF%85\"><\/span><strong>\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-59582\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/img80.png\" alt=\"\u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03ac\u03bb\u03c6\u03b1 vs \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b2\u03ae\u03c4\u03b1\" width=\"160\" height=\"267\" srcset=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/img80.png 479w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/img80-180x300.png 180w\" sizes=\"(max-width: 160px) 100vw, 160px\" \/><\/p>\n<p>\u039f \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b7\u03b3\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b7 \u03c7\u03c9\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03bc\u03ad\u03c1\u03b7: \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae, \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7. \u0391\u03c0\u03cc \u03b5\u03ba\u03b5\u03af \u03ba\u03b1\u03b9 \u03c0\u03ad\u03c1\u03b1, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 ETL \u03c0\u03c1\u03b9\u03bd \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03c0\u03b9\u03bf \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ce\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%91%CF%80%CF%8C%CF%83%CF%80%CE%B1%CF%83%CE%BC%CE%B1-2\"><\/span><strong>1. \u0391\u03c0\u03cc\u03c3\u03c0\u03b1\u03c3\u03bc\u03b1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u0388\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c1\u03c4\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c6\u03af\u03bb \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03c3\u03c5\u03bd\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03bc\u03ae\u03c2, \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b7\u03b3\u03b1\u03af\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u0397 \u03b9\u03b4\u03ad\u03b1 \u03b5\u03b4\u03ce \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03c4\u03b5 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2, \u03b1\u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03ae \u03c0\u03b9\u03b8\u03b1\u03bd\u03ac \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c7\u03b1\u03c1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%9C%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82-2\"><\/span><strong>2. \u039c\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>\u03a4\u03bf \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ac \u03c4\u03b7\u03bd \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ae \u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b1\u03bd\u03cc\u03bd\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u039c\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2 \u03b5\u03b4\u03ce \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2, \u03bd\u03cc\u03bc\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2.<\/p>\n<p>\u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03b4\u03ce \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03b1\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ad\u03c2, \u03b1\u03bd \u03bf\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03bf\u03b9 \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c3\u03c5\u03bd\u03cc\u03bb\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u0397 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03af\u03b8\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c5\u03c0\u03cc \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7. \u039f\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bd \u03b1\u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03bc\u03bf\u03c1\u03c6\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03cd\u03bf\u03c5\u03bd \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03c1\u03bf\u03c5\u03cc\u03bc\u03b5\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03b9\u03ce\u03bd \u03b5\u03ba\u03ba\u03b1\u03b8\u03ac\u03c1\u03b9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03c9\u03b8\u03b5\u03af \u03c0\u03ce\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b1\u03c0\u03cc \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03cc\u03b3\u03ba\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%A6%CE%BF%CF%81%CF%84%CE%AF%CE%BF-2\"><\/span><strong>3. \u03a6\u03bf\u03c1\u03c4\u03af\u03bf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03cc\u03c4\u03b1\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c6\u03bf\u03c1\u03c4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c3\u03c4\u03b7 \u03bb\u03af\u03bc\u03bd\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03c3\u03b5 \u03ac\u03bb\u03bb\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03c3\u03c4\u03cc\u03c7\u03bf, \u03bf\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03bf\u03c5\u03bd \u03b5\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bb\u03ae\u03c1\u03b7, \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03bc\u03bf\u03c1\u03c6\u03ae.<\/p>\n<p>\u0395\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03c7\u03b1\u03b8\u03b5\u03af \u03ae \u03b1\u03bb\u03bb\u03bf\u03b9\u03c9\u03b8\u03b5\u03af \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2, \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2 \u03c3\u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c3\u03c4\u03cc\u03c7\u03c9\u03bd.<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03bf\u03bd\u03bf\u03c0\u03ac\u03c4\u03b9\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03bd \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 ETL \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b9\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.<\/p>\n<p>\u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b4\u03ce\u03c3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03bf\u03c0\u03c4\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd ETL. \u0398\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03bb\u03c5\u03c3\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b2\u03b1\u03b8\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c4\u03b9\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9. \u039f\u03b9 \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b5\u03c2 \u03b4\u03cd\u03bf \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b8\u03b1 \u03c3\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03c3\u03c7\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%94%CE%B9%CE%B1%CF%86%CE%BF%CF%81%CE%B5%CF%84%CE%B9%CE%BA%CE%BF%CE%AF_%CF%84%CF%8D%CF%80%CE%BF%CE%B9_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_ETL\"><\/span><strong>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-56614\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/03\/checklist-uat-1024x683.jpeg\" alt=\"\u03bb\u03af\u03c3\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 uat, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03b9\u03c3\u03c4\u03bf\u03cd, \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1\" width=\"608\" height=\"405\"><\/p>\n<p>\u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03bb\u03bf\u03af \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03c3\u03c4\u03cc\u03c7\u03c9\u03bd. \u0391\u03c2 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD_%CF%80%CE%B7%CE%B3%CE%AE%CF%82\"><\/span><strong>1. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03bf\u03ad\u03bb\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03ad\u03bb\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03c0\u03c1\u03b9\u03bd \u03b5\u03be\u03b1\u03c7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u03a4\u03b7\u03c1\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2;<\/li>\n<li>\u039f\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03bf\u03c1\u03c6\u03ad\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2;<\/li>\n<li>\u03a4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03bc\u03c0\u03af\u03c0\u03c4\u03bf\u03c5\u03bd \u03c3\u03b5 \u03ad\u03b3\u03ba\u03c5\u03c1\u03b1 \u03b5\u03cd\u03c1\u03b7;<\/li>\n<li>\u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ae \u03b5\u03bb\u03bb\u03b9\u03c0\u03b5\u03af\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c3\u03b5 \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CF%83%CF%85%CE%BC%CF%86%CF%89%CE%BD%CE%AF%CE%B1%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD_%CF%80%CE%B7%CE%B3%CE%AE%CF%82-%CF%83%CF%84%CF%8C%CF%87%CE%BF%CF%85\"><\/span><strong>2. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03af\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-2\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03c4\u03cd\u03c0\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03b5\u03ac\u03bd \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c0\u03b7\u03b3\u03ae \u03b5\u03be\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9, \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c6\u03bf\u03c1\u03c4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1-\u03c3\u03c4\u03cc\u03c7\u03bf.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-2\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u03a7\u03ac\u03b8\u03b7\u03ba\u03b1\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL;<\/li>\n<li>\u03a5\u03c0\u03ae\u03c1\u03be\u03b5 \u03b5\u03c0\u03b1\u03bd\u03ac\u03bb\u03b7\u03c8\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\"><\/span><strong>3. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-3\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03af \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ae\u03c2, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2, \u03b1\u03b8\u03c1\u03bf\u03af\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03cd\u03c4\u03c9 \u03ba\u03b1\u03b8\u03b5\u03be\u03ae\u03c2. \u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03b1\u03bd \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03af \u03ad\u03b3\u03b9\u03bd\u03b1\u03bd \u03cc\u03c0\u03c9\u03c2 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b5\u03c0\u03cc\u03c4\u03b1\u03bd.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-3\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u0395\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1 \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2;<\/li>\n<li>\u0388\u03c7\u03b5\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03c3\u03c9\u03c3\u03c4\u03ac \u03b7 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ae \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2;<\/li>\n<li>\u039f\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03af \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c0\u03b1\u03c1\u03ae\u03b3\u03b1\u03b3\u03b1\u03bd \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ad\u03be\u03bf\u03b4\u03bf;<\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7%CF%82_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\"><\/span><strong>4. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong> <\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-4\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03b1\u03bd \u03c4\u03b1 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5\u03c2.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-4\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u03a4\u03b7\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03c0.\u03c7. \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1, \u03c0\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1);<\/li>\n<li>\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03bf\u03af \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CE%B9%CE%BA%CE%AE%CF%82_%CE%B1%CE%BA%CE%B5%CF%81%CE%B1%CE%B9%CF%8C%CF%84%CE%B7%CF%84%CE%B1%CF%82_ETL\"><\/span><strong>5. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-5\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0395\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c0\u03b9\u03bd\u03ac\u03ba\u03c9\u03bd \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03ad\u03bb\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03c7\u03b8\u03b5\u03af \u03c0\u03b9\u03c3\u03c4\u03ac \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-5\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u03a4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03be\u03ad\u03bd\u03b1 \u03ba\u03bb\u03b5\u03b9\u03b4\u03b9\u03ac \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03c0\u03c1\u03c9\u03c4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1 \u03ba\u03bb\u03b5\u03b9\u03b4\u03b9\u03ac \u03c4\u03bf\u03c5\u03c2;<\/li>\n<li>\u0394\u03b9\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c0\u03b1\u03b9\u03b4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bc\u03b7\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03c0\u03b9\u03bd\u03ac\u03ba\u03c9\u03bd \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd ETL;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_%CE%B5%CE%BD%CF%83%CF%89%CE%BC%CE%AC%CF%84%CF%89%CF%83%CE%B7%CF%82\"><\/span><strong>6. \u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-6\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u039f\u03b9 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%b7-%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ae-%ce%bf%ce%bb%ce%bf%ce%ba%ce%bb%ce%ae%cf%81%cf%89%cf%83%ce%b7%cf%82-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03c9\u03c3\u03b7\u03c2<\/a> \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c4\u03bf \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03bf\u03b9\u03ba\u03bf\u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-6\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u039f\u03b9 \u03c1\u03bf\u03ad\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03c0\u03cc \u03ac\u03ba\u03c1\u03bf \u03c3\u03b5 \u03ac\u03ba\u03c1\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03bf\u03bc\u03b1\u03bb\u03ac;<\/li>\n<li>\u03a0\u03cc\u03c3\u03bf \u03ba\u03b1\u03bb\u03ac \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03b9\u03b4\u03c1\u03ac \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03bc\u03b5 \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c0\u03b7\u03b3\u03ae, \u03bf \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03ae \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b3\u03b5\u03bd\u03ad\u03c3\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CE%B5%CF%80%CE%B9%CE%B4%CF%8C%CF%83%CE%B5%CF%89%CE%BD\"><\/span><strong>7. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-7\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0397 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%bf-%ce%ad%ce%bb%ce%b5%ce%b3%cf%87%ce%bf%cf%82-%ce%b5%cf%80%ce%b9%ce%b4%cf%8c%cf%83%ce%b5%cf%89%ce%bd-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/a> ETL \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03c0\u03cc\u03c3\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03cc\u03c4\u03b1\u03bd \u03c5\u03c0\u03bf\u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03af\u03b5\u03c3\u03b7, \u03cc\u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-7\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u039f \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 ETL \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2;<\/li>\n<li>\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03bd\u03b1 \u03ba\u03bb\u03b9\u03bc\u03b1\u03ba\u03c9\u03b8\u03b5\u03af \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b1\u03c5\u03be\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03cc\u03b3\u03ba\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd;<\/li>\n<li>\u0388\u03c7\u03b5\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03cc\u03c1\u03c9\u03bd \u03ae \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c3\u03c5\u03bc\u03c6\u03cc\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_%CE%9B%CE%B5%CE%B9%CF%84%CE%BF%CF%85%CF%81%CE%B3%CE%B9%CE%BA%CE%AE_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE\"><\/span><strong>8. \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-8\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0397 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%b7-%ce%bb%ce%b5%ce%b9%cf%84%ce%bf%cf%85%cf%81%ce%b3%ce%b9%ce%ba%ce%ae-%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ae-%cf%84%cf%8d%cf%80%ce%bf%ce%b9-%cf%80%ce%b1\">\u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/a> \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03ba\u03bf\u03c0\u03b9\u03ac \u03c4\u03bf\u03c5 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-8\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u0395\u03c5\u03b8\u03c5\u03b3\u03c1\u03b1\u03bc\u03bc\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03ba\u03c1\u03bf\u03ad\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b7\u03bb\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2;<\/li>\n<li>\u039f\u03b9 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1;<\/li>\n<li>\u0395\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c4\u03b1\u03bc\u03c0\u03bb\u03cc \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_%CE%94%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE_%CF%80%CE%B1%CE%BB%CE%B9%CE%BD%CE%B4%CF%81%CF%8C%CE%BC%CE%B7%CF%83%CE%B7%CF%82\"><\/span><strong>9. \u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-9\"><\/span><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u039f\u03b9 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b5\u03c2, \u03bc\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03bb\u03bb\u03b7\u03bb\u03ad\u03bd\u03b4\u03b5\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1. \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03c3\u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae. \u039f\u03b9 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%bf-%ce%ad%ce%bb%ce%b5%ce%b3%cf%87%ce%bf%cf%82-%cf%80%ce%b1%ce%bb%ce%b9%ce%bd%ce%b4%cf%81%cf%8c%ce%bc%ce%b7%cf%83%ce%b7%cf%82-%ce%b5%cf%86%ce%b1%cf%81\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B9_%CE%B5%CE%BB%CE%AD%CE%B3%CF%87%CE%B5%CE%B9-9\"><\/span><strong>\u03a4\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u039f\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf\u03bd \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03ae \u03c3\u03c4\u03b1 \u03c5\u03c0\u03bf\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03bf\u03cd\u03bd \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ac \u03b4\u03c5\u03c3\u03bc\u03b5\u03bd\u03b5\u03af\u03c2 \u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2;<\/li>\n<li>\u0395\u03af\u03c7\u03b1\u03bd \u03bf\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c4\u03bf \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b7\u03c4\u03cc \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c3\u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 ETL;<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u0391\u03be\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bc\u03b5 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%b7-%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ae-%ce%bc%ce%bf%ce%bd%ce%ac%ce%b4%ce%b1%cf%82-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85\">\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03bc\u03bf\u03bd\u03ac\u03b4\u03c9\u03bd<\/a> \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b1\u03bd\u03c4&#8217; \u03b1\u03c5\u03c4\u03bf\u03cd, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b1\u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03bc\u03ad\u03c1\u03b7 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03ac\u03bb\u03c5\u03c0\u03c4\u03b5 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2, \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03af\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03ba.\u03bf.\u03ba.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"8_%CF%83%CF%84%CE%AC%CE%B4%CE%B9%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_ETL_%CE%BC%CE%B5\"><\/span><strong>8 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03bc\u03b5  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"8_%CF%83%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AD%CF%82_%CE%B5%CE%BC%CF%80%CE%B5%CE%B9%CF%81%CE%BF%CE%B3%CE%BD%CF%89%CE%BC%CF%8C%CE%BD%CF%89%CE%BD_%CE%B3%CE%B9%CE%B1_%CE%B5%CF%80%CE%B9%CF%84%CF%85%CF%87%CE%AF%CE%B1\"><\/span><strong>8 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03bf\u03b3\u03bd\u03c9\u03bc\u03cc\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img data-dominant-color=\"9b8f85\" data-has-transparency=\"false\" style=\"--dominant-color: #9b8f85;\" decoding=\"async\" class=\"aligncenter wp-image-71951 not-transparent\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/11\/ZAP_Enterprise8-jpg.webp\" alt=\"8 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03bc\u03b5 8 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03bf\u03b3\u03bd\u03c9\u03bc\u03cc\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1\" width=\"351\" height=\"234\"><\/p>\n<p>\u0395\u03bd\u03c4\u03ac\u03be\u03b5\u03b9, \u03c4\u03ce\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ac\u03b2\u03b1\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL, \u03ae\u03c1\u03b8\u03b5 \u03b7 \u03ce\u03c1\u03b1 \u03bd\u03b1 \u03c4\u03b1 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03c3\u03b5\u03c4\u03b5 \u03cc\u03bb\u03b1 \u03bc\u03b1\u03b6\u03af. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd, \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%A3%CF%85%CE%BB%CE%BB%CE%BF%CE%B3%CE%AE_%CE%B5%CF%80%CE%B9%CF%87%CE%B5%CE%B9%CF%81%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CF%8E%CE%BD_%CE%B1%CF%80%CE%B1%CE%B9%CF%84%CE%AE%CF%83%CE%B5%CF%89%CE%BD\"><\/span><strong>#1. \u03a3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03ba\u03ac\u03b8\u03b5 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c5\u03bd\u03b1\u03af\u03bd\u03b5\u03c3\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf \u03c4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL. \u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03b7\u03b8\u03bf\u03cd\u03bd \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c0\u03c1\u03ce\u03b9\u03bc\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03be\u03ae\u03c2:<\/p>\n<ul>\n<li>\u03a0\u03ce\u03c2 \u03b8\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1;<\/li>\n<li>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ad\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9;<\/li>\n<li>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2;<\/li>\n<li>\u03a0\u03bf\u03b9\u03bf\u03b9 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03af, \u03bd\u03cc\u03bc\u03bf\u03b9 \u03ae \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1\u03c2 \u03b4\u03b9\u03ad\u03c0\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd;<\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0395\u03bd\u03ce \u03b7 \u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7, \u03bf\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 ETL \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03bf\u03cd\u03bd \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ac \u03c0\u03b9\u03b8\u03b1\u03bd\u03ac \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03b1\u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03ae \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03c0\u03c1\u03ce\u03b9\u03bc\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c0\u03b9\u03bf \u03b5\u03cd\u03ba\u03bf\u03bb\u03bf \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c7\u03c1\u03bf\u03bd\u03bf\u03b2\u03cc\u03c1\u03bf \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03bb\u03b5\u03af\u03c6\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bd\u03c9\u03c1\u03af\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%A0%CF%81%CE%BF%CF%83%CE%B4%CE%B9%CE%BF%CF%81%CE%B9%CF%83%CE%BC%CF%8C%CF%82_%CE%BA%CE%B1%CE%B9_%CE%B5%CF%80%CE%B9%CE%BA%CF%8D%CF%81%CF%89%CF%83%CE%B7_%CF%80%CE%B7%CE%B3%CF%8E%CE%BD_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\"><\/span><strong>#2. \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03c0\u03b7\u03b3\u03ce\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf ETL \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03bd \u03ac\u03bd\u03c4\u03bb\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 ERP \u03ae CRM, \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2, \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c6\u03cd\u03bb\u03bb\u03b1 \u03ba\u03b1\u03b9 \u03bf\u03cd\u03c4\u03c9 \u03ba\u03b1\u03b8\u03b5\u03be\u03ae\u03c2. \u039f\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b2\u03ac\u03c3\u03b9\u03bc\u03b1, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03b4\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c1\u03ba\u03b5\u03c4\u03ae \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-2\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u03a4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03ba\u03cc\u03c3\u03bc\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b1\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c4\u03b1. \u0397 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03b5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd \u03c3\u03ba\u03b9\u03b1\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ba\u03bb\u03b5\u03b9\u03b4\u03af \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03b5\u03bb\u03bb\u03b9\u03c0\u03ce\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd, \u03b6\u03b7\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03bf\u03c1\u03c6\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2, \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03c9\u03bd \u03b1\u03c3\u03c5\u03bd\u03b5\u03c0\u03b5\u03b9\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03c1\u03b1\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b1\u03ba\u03c1\u03b9\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%93%CF%81%CE%AC%CF%88%CF%84%CE%B5_%CF%80%CE%B5%CF%81%CE%B9%CF%80%CF%84%CF%8E%CF%83%CE%B5%CE%B9%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD\"><\/span><strong>#3. \u0393\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039c\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c6\u03af\u03bb \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03bf \u03c7\u03ad\u03c1\u03b9, \u03ae\u03c1\u03b8\u03b5 \u03b7 \u03ce\u03c1\u03b1 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL. \u039f\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b1\u03ba\u03c1\u03b1\u03af\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bf\u03c0\u03bf\u03b9\u03b5\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9 \u03c9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03cc \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1\u03c2.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-3\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03b5\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03ae, \u03b1\u03bb\u03bb\u03ac \u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bf\u03cd\u03bd \u03c0\u03ce\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_%CE%95%CE%BA%CF%84%CE%AD%CE%BB%CE%B5%CF%83%CE%B7_%CF%80%CE%B5%CF%81%CE%B9%CF%80%CF%84%CF%8E%CF%83%CE%B5%CF%89%CE%BD_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82\"><\/span><strong>#4. \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03ce\u03c1\u03b1 \u03ae\u03c1\u03b8\u03b5 \u03b7 \u03ce\u03c1\u03b1 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c3\u03b1\u03c2. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03ba\u03ac\u03b8\u03b5 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03af\u03c9\u03c3\u03b7 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03bd\u03b8\u03b7\u03ba\u03ce\u03bd \u03ae, \u03cc\u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd, \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-4\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u03a4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03b5\u03b4\u03ce. \u0397 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b5\u03af \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03b1\u03c0\u03b1\u03af\u03c4\u03b7\u03c3\u03b7, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ae \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_%CE%94%CE%B7%CE%BC%CE%B9%CE%BF%CF%85%CF%81%CE%B3%CE%AF%CE%B1_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CF%8E%CE%BD\"><\/span><strong>#5. \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0391\u03c6\u03bf\u03cd \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c3\u03b1\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b9\u03c3\u03c4\u03ac \u03c4\u03b1 \u03b5\u03c5\u03c1\u03ae\u03bc\u03b1\u03c4\u03ac \u03c3\u03b1\u03c2. \u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03ac \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b5\u03c4\u03b5:<\/p>\n<ul>\n<li>\u0395\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b5\u03c2<\/li>\n<li>\u0391\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b5\u03c2<\/li>\n<li>\u0391\u03c0\u03bf\u03ba\u03bb\u03af\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b4\u03bf\u03ba\u03af\u03b5\u03c2<\/li>\n<li>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ae \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd<\/li>\n<\/ul>\n<p>\u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b8\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03b1\u03c0\u03bb\u03ce\u03c2 \u03c4\u03b7\u03bd \u03c5\u03b3\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03cc\u03c2 \u03c3\u03b1\u03c2. \u0398\u03b1 \u03c3\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03bf \u03c7\u03c1\u03bf\u03bd\u03bf\u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03c4\u03b5, \u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03b6\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 ETL.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-5\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u039f\u03b9 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03b5\u03c5\u03b8\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cc\u03bb\u03bf\u03c5\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03bc\u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ce\u03bd \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03b5\u03c1\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd \u03bc\u03b5\u03c1\u03ce\u03bd. \u03a0\u03c1\u03bf\u03c3\u03c0\u03b1\u03b8\u03ae\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c1\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ac \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bb\u03ae\u03c8\u03b5\u03b9\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b3\u03c1\u03b1\u03c6\u03ae\u03bc\u03b1\u03c4\u03b1, \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b7\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_%CE%95%CF%80%CE%B1%CE%BD%CE%AD%CE%BB%CE%B5%CE%B3%CF%87%CE%BF%CF%82_%CE%B3%CE%B9%CE%B1_%CF%83%CF%86%CE%AC%CE%BB%CE%BC%CE%B1%CF%84%CE%B1_%CE%BA%CE%B1%CE%B9_%CE%B1%CF%84%CE%AD%CE%BB%CE%B5%CE%B9%CE%B5%CF%82\"><\/span><strong>#6. \u0395\u03c0\u03b1\u03bd\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c4\u03ad\u03bb\u03b5\u03b9\u03b5\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b1\u03c4\u03ad\u03bb\u03b5\u03b9\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03bb\u03c5\u03b8\u03b5\u03af. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03b5\u03bd \u03b4\u03b7\u03bc\u03b9\u03bf\u03cd\u03c1\u03b3\u03b7\u03c3\u03b1\u03bd \u03bd\u03ad\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-6\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bb\u03bb\u03b7\u03bb\u03ad\u03bd\u03b4\u03b5\u03c4\u03b7. \u039c\u03b9\u03b1 \u03b4\u03b9\u03cc\u03c1\u03b8\u03c9\u03c3\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03ba\u03bf\u03cd\u03c3\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03bd\u03c4\u03b5\u03bb\u03ce\u03c2 \u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03cc\u03ba\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b5\u03c2 \u03c3\u03b5 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03b7 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_%CE%A4%CE%B5%CE%BB%CE%B9%CE%BA%CE%AD%CF%82_%CE%B5%CE%BA%CE%B8%CE%AD%CF%83%CE%B5%CE%B9%CF%82\"><\/span><strong>#7. \u03a4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039f\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae \u03c0\u03b5\u03c1\u03af\u03bb\u03b7\u03c8\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL. \u0395\u03c0\u03b9\u03c3\u03b7\u03bc\u03ac\u03bd\u03b5\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c4\u03bf\u03bc\u03b5\u03af\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1. \u03a4\u03ad\u03bb\u03bf\u03c2, \u03b4\u03b9\u03b1\u03c4\u03c5\u03c0\u03ce\u03c3\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b5\u03c4\u03c5\u03bc\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd ETL.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-7\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0397 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03c3\u03b1\u03c2 \u03ad\u03ba\u03b8\u03b5\u03c3\u03b7 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03b7 \u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd. \u039f\u03b9 \u03ba\u03b1\u03bb\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03ac \u03b4\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_%CE%9A%CE%BB%CE%B5%CE%AF%CF%83%CE%B9%CE%BC%CE%BF_%CF%84%CF%89%CE%BD_%CE%B1%CE%BD%CE%B1%CF%86%CE%BF%CF%81%CF%8E%CE%BD\"><\/span><strong>#8. \u039a\u03bb\u03b5\u03af\u03c3\u03b9\u03bc\u03bf \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03b1\u03c6\u03bf\u03cd \u03bf\u03b9 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03b5\u03c1\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03c6\u03bf\u03c1\u03b5\u03af\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03bc\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03ad\u03c2. \u039f\u03b9 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03bf\u03b9\u03bd\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1 \u03c3\u03b1\u03c6\u03ad\u03c2 \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b3\u03b9\u03b1 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03c5\u03b8\u03bf\u03cd\u03bd \u03ae \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AE_%CE%B5%CE%B9%CE%B4%CE%B9%CE%BA%CE%BF%CF%8D-8\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ae \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0395\u03bd\u03ce \u03c4\u03bf \u03ba\u03bb\u03b5\u03af\u03c3\u03b9\u03bc\u03bf \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03ad\u03c7\u03b5\u03b9 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03c4\u03ad \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03b8\u03b5\u03af \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac. \u0397 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03b5 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b1 \u03c0\u03b7\u03b3\u03b1\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03c3\u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ae \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03be\u03b5\u03bb\u03b9\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03ad\u03bd\u03b1 \u03bf\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%9F%CF%86%CE%AD%CE%BB%CE%B7_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_%CF%86%CE%BF%CF%81%CF%84%CE%AF%CE%BF%CF%85_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D_%CE%B5%CE%BA%CF%87%CF%85%CE%BB%CE%AF%CF%83%CE%BC%CE%B1%CF%84%CE%BF%CF%82\"><\/span><strong>\u039f\u03c6\u03ad\u03bb\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03ba\u03c7\u03c5\u03bb\u03af\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img data-dominant-color=\"3b474c\" data-has-transparency=\"false\" style=\"--dominant-color: #3b474c;\" decoding=\"async\" class=\"aligncenter wp-image-74945 not-transparent\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-1024x683.webp\" alt=\"\u0391\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u039f\u03c1\u03b9\u03b1\u03ba\u03ce\u03bd \u03a4\u03b9\u03bc\u03ce\u03bd (BVA) - \u03a4\u03cd\u03c0\u03bf\u03b9, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1!\" width=\"389\" height=\"259\" srcset=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-1024x683.webp 1024w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-300x200.webp 300w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-768x512.webp 768w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-1536x1024.webp 1536w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-1080x720.webp 1080w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-1280x853.webp 1280w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-980x653.webp 980w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-480x320.webp 480w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2024\/01\/Boundary-Value-Analysis-BVA-Types-Process-Tools-More-jpeg.webp 1920w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/><\/p>\n<p>\u039c\u03b9\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u0391\u03c2 \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b1\u03c4\u03b9\u03ac \u03c3\u03c4\u03b1 \u03bf\u03c6\u03ad\u03bb\u03b7 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03be\u03b5\u03ba\u03bb\u03b5\u03b9\u03b4\u03ce\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b1\u03bd \u03b4\u03b5\u03c3\u03bc\u03b5\u03c5\u03c4\u03b5\u03af\u03c4\u03b5 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%91%CE%BA%CF%81%CE%AF%CE%B2%CE%B5%CE%B9%CE%B1_%CE%BA%CE%B1%CE%B9_%CE%B1%CE%BA%CE%B5%CF%81%CE%B1%CE%B9%CF%8C%CF%84%CE%B7%CF%84%CE%B1_%CF%84%CF%89%CE%BD_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\"><\/span><strong>1. \u0391\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0397 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ac \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9:<\/p>\n<ul>\n<li>\u0394\u03b5\u03bd \u03c7\u03ac\u03bd\u03b5\u03c4\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae<\/li>\n<li>\u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03af \u03c3\u03b1\u03c2 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1<\/li>\n<li>\u03a4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1-\u03c3\u03c4\u03cc\u03c7\u03bf \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b1 \u03b8\u03ad\u03bb\u03b1\u03c4\u03b5.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%95%CE%BE%CE%BF%CE%B9%CE%BA%CE%BF%CE%BD%CF%8C%CE%BC%CE%B7%CF%83%CE%B7_%CF%87%CF%81%CF%8C%CE%BD%CE%BF%CF%85_%CE%BA%CE%B1%CE%B9_%CF%87%CF%81%CE%B7%CE%BC%CE%AC%CF%84%CF%89%CE%BD\"><\/span><strong>2. \u0395\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03bd\u03c9\u03c1\u03af\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c0\u03b9\u03bf \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b7\u03c4\u03cc \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03bb\u03b5\u03af\u03c6\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bd\u03c9\u03c1\u03af\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b1 \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03ac\u03bb\u03bf\u03b3\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b2\u03b3\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b2\u03bb\u03bf. \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd Gartner, \u03b7 \u03ba\u03b1\u03ba\u03ae \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd<a href=\"https:\/\/www.gartner.com\/smarterwithgartner\/how-to-improve-your-data-quality\"> \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf 13 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03b1 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf<\/a>. \u039e\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03bd\u03c9\u03c1\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c7\u03c1\u03ae\u03bc\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%91%CF%80%CF%8C%CE%B4%CE%BF%CF%83%CE%B7\"><\/span><strong>3. \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039f\u03b9 \u03ba\u03b1\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 ETL \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03bc\u03c0\u03bf\u03b4\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03bb\u03cd\u03c3\u03b5\u03c9\u03bd, \u03c4\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bb\u03ae\u03c8\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd. \u039c\u03b9\u03b1 \u03ba\u03b1\u03bb\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03c4\u03b5 \u03c3\u03b5 \u03ba\u03b1\u03bb\u03cc \u03b4\u03c1\u03cc\u03bc\u03bf, \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c3\u03c5\u03bc\u03c6\u03cc\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_%CE%A3%CF%85%CE%BC%CE%BC%CF%8C%CF%81%CF%86%CF%89%CF%83%CE%B7\"><\/span><strong>4. \u03a3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03bf\u03af \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03c5\u03b2\u03ad\u03c1\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c7\u03c1\u03b7\u03bc\u03b1\u03c4\u03bf\u03c0\u03b9\u03c3\u03c4\u03c9\u03c4\u03b9\u03ba\u03ac \u03b9\u03b4\u03c1\u03cd\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03cc\u03c7\u03bf\u03c5\u03c2 \u03c5\u03b3\u03b5\u03b9\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b5\u03c1\u03af\u03b8\u03b1\u03bb\u03c8\u03b7\u03c2. \u0397 \u03bc\u03b7 \u03bf\u03c1\u03b8\u03ae \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03ac\u03ba\u03bb\u03b7\u03c3\u03b7 \u03b1\u03b4\u03b5\u03b9\u03ce\u03bd \u03ae \u03b2\u03b1\u03c1\u03b9\u03ac \u03c0\u03c1\u03cc\u03c3\u03c4\u03b9\u03bc\u03b1. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03c4\u03b5 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_%CE%9A%CE%B1%CE%BB%CF%8D%CF%84%CE%B5%CF%81%CE%B7_%CE%BB%CE%AE%CF%88%CE%B7_%CE%B1%CF%80%CE%BF%CF%86%CE%AC%CF%83%CE%B5%CF%89%CE%BD\"><\/span><strong>5. \u039a\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u038c\u03c3\u03bf \u03c0\u03b9\u03bf \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2, \u03c4\u03cc\u03c3\u03bf \u03c0\u03b9\u03bf \u03c3\u03af\u03b3\u03bf\u03c5\u03c1\u03bf\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03af\u03c3\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1. \u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c3\u03c4\u03b5 \u03c3\u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c3\u03c9\u03c3\u03c4\u03ac \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A0%CF%81%CE%BF%CE%BA%CE%BB%CE%AE%CF%83%CE%B5%CE%B9%CF%82_%CF%80%CE%BF%CF%85_%CF%83%CF%87%CE%B5%CF%84%CE%AF%CE%B6%CE%BF%CE%BD%CF%84%CE%B1%CE%B9_%CE%BC%CE%B5_%CF%84%CE%B9%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_ETL\"><\/span><strong>\u03a0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-49778\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/01\/challenges-load-testing-1024x683-1.jpg\" alt=\"challenges-load-testing\" width=\"426\" height=\"284\"><\/p>\n<p>\u0397 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c5\u03b3\u03b5\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7, \u03b1\u03bb\u03bb\u03ac \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u0391\u03c2 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%8C%CE%B3%CE%BA%CE%BF%CF%82_%CE%BA%CE%B1%CE%B9_%CF%80%CE%BF%CE%BB%CF%85%CF%80%CE%BB%CE%BF%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B1_%CE%B4%CE%B5%CE%B4%CE%BF%CE%BC%CE%AD%CE%BD%CF%89%CE%BD\"><\/span><strong>1. \u038c\u03b3\u03ba\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039c\u03b9\u03b1 \u03ba\u03b1\u03bb\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03b5\u03c4\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5\u03c2 \u03cc\u03b3\u03ba\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03cd\u03c0\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c0\u03bf\u03c5 \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bb\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03b4\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03b1 \u03ad\u03c9\u03c2 \u03b1\u03b4\u03cc\u03bc\u03b7\u03c4\u03b1. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03c3\u03b9\u03bc\u03b7.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%95%CE%BE%CE%AC%CF%81%CF%84%CE%B7%CF%83%CE%B7_%CE%B1%CF%80%CF%8C_%CF%84%CE%BF_%CF%80%CE%B7%CE%B3%CE%B1%CE%AF%CE%BF_%CF%83%CF%8D%CF%83%CF%84%CE%B7%CE%BC%CE%B1\"><\/span><strong>2. \u0395\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b7\u03b3\u03b1\u03af\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u038c\u03c0\u03c9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c8\u03b1\u03bc\u03b5 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b1\u03c6\u03bf\u03c1\u03bf\u03cd\u03bd \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03bf\u03bc\u03b1\u03bb\u03bf\u03cd \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03c3\u03c4\u03bf\u03bd \u03c3\u03c4\u03cc\u03c7\u03bf. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b5\u03b9\u03c3\u03c1\u03bf\u03ce\u03bd. \u0391\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1, \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03ae \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b5\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b5\u03cd\u03ba\u03bf\u03bb\u03bf \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b3\u03bd\u03c9\u03c3\u03c4\u03bf\u03cd\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%A0%CE%BF%CE%BB%CF%85%CF%80%CE%BB%CE%BF%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B5%CF%82_%CE%BC%CE%B5%CF%84%CE%B1%CF%83%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CE%BF%CF%8D\"><\/span><strong>3. \u03a0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0397 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf \u03b5\u03b3\u03c7\u03b5\u03af\u03c1\u03b7\u03bc\u03b1. \u0397 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03ba\u03b1\u03bd\u03cc\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bf \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ae \u03b7 \u03b1\u03bd\u03b1\u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03ce\u03bd \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_%CE%9C%CE%B5%CF%84%CE%B1%CF%84%CF%8C%CF%80%CE%B9%CF%83%CE%B7_%CF%84%CF%89%CE%BD_%CE%B1%CF%80%CE%B1%CE%B9%CF%84%CE%AE%CF%83%CE%B5%CF%89%CE%BD\"><\/span><strong>4. \u039c\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u038c\u03bb\u03bf\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ad\u03c2 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c0\u03cc\u03bd\u03bf \u03c4\u03c9\u03bd \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03b5\u03be\u03b5\u03bb\u03b9\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03cc\u03c2 \u03c7\u03ce\u03c1\u03bf\u03c2, \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL. \u039a\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03bf\u03af \u03c1\u03cc\u03bb\u03bf\u03b9 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd, \u03bf\u03b9 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_%CE%A0%CE%B5%CF%81%CE%B9%CE%BF%CF%81%CE%B9%CF%83%CE%BC%CE%BF%CE%AF_%CF%84%CE%BF%CF%85_%CF%80%CE%B5%CF%81%CE%B9%CE%B2%CE%AC%CE%BB%CE%BB%CE%BF%CE%BD%CF%84%CE%BF%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE%CF%82\"><\/span><strong>5. \u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0397 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ae. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b4\u03b5\u03bd \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03bf \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03c9\u03bd \u03cc\u03b3\u03ba\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03bc\u03c6\u03cc\u03c1\u03b7\u03c3\u03b7 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CF%85%CE%BB%CE%AD%CF%82_%CE%BA%CE%B1%CE%B9_%CE%B2%CE%AD%CE%BB%CF%84%CE%B9%CF%83%CF%84%CE%B5%CF%82_%CF%80%CF%81%CE%B1%CE%BA%CF%84%CE%B9%CE%BA%CE%AD%CF%82_ETL\"><\/span><strong>\u03a3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-29236\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2022\/07\/Software-testing-checklist-1024x681.jpeg\" alt=\"\u039a\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03bf\u03cd\" width=\"412\" height=\"274\"><\/p>\n<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c1\u03cc\u03bd\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03c1\u03b5\u03af\u03b1 \u03c3\u03b1\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%CE%A3%CF%85%CE%BD%CE%B5%CF%87%CE%B5%CE%AF%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82\"><\/span><strong>#1. \u03a3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bc\u03af\u03b1 \u03c6\u03bf\u03c1\u03ac. \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03bf\u03c0\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03ba\u03b1\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af\u03c4\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2. \u0388\u03bd\u03b1\u03c2 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae\u03c2 ETL QA \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b8\u03ad\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03b1\u03c0\u03b1\u03c3\u03c7\u03cc\u03bb\u03b7\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03bb\u03cc\u03b3\u03bf.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_%CE%9A%CE%B1%CE%BD%CE%AD%CE%BD%CE%B1%CF%82_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%B1%CF%83%CF%84%CE%AE%CF%82_ETL_%CE%B4%CE%B5%CE%BD_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%BD%CE%B7%CF%83%CE%AF\"><\/span><strong>#2. \u039a\u03b1\u03bd\u03ad\u03bd\u03b1\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 ETL \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b7\u03c3\u03af<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0395\u03bd\u03ce \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 &#8220;\u03bc\u03b1\u03cd\u03c1\u03bf\u03c5 \u03ba\u03bf\u03c5\u03c4\u03b9\u03bf\u03cd&#8221;, \u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af QA ETL \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03b5\u03c1\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2, \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae ETL, \u03b1\u03bd \u03b8\u03ad\u03bb\u03bf\u03c5\u03bd \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03bf\u03c5\u03bd \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_%CE%97_%CE%BA%CE%B1%CE%BB%CE%AE_%CF%84%CE%B5%CE%BA%CE%BC%CE%B7%CF%81%CE%AF%CF%89%CF%83%CE%B7_%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9_%CE%B6%CF%89%CF%84%CE%B9%CE%BA%CE%AE%CF%82_%CF%83%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1%CF%82\"><\/span><strong>#3. \u0397 \u03ba\u03b1\u03bb\u03ae \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0397 \u03ba\u03b1\u03bb\u03ae \u03ba\u03b1\u03b9 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae\u03c2 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03c3\u03b5\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03cc\u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03b5\u03b9 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b1\u03b3\u03c9\u03b3\u03cc \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_%CE%91%CF%85%CF%84%CE%BF%CE%BC%CE%B1%CF%84%CE%BF%CF%80%CE%BF%CE%B9%CE%AE%CF%83%CF%84%CE%B5_%CF%8C%CF%83%CE%BF_%CF%84%CE%BF_%CE%B4%CF%85%CE%BD%CE%B1%CF%84%CF%8C%CE%BD_%CF%80%CE%B5%CF%81%CE%B9%CF%83%CF%83%CF%8C%CF%84%CE%B5%CF%81%CE%BF\"><\/span><strong>#4. \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03cc\u03c3\u03bf \u03c4\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03c9\u03c2 \u03c4\u03bf \u03c0\u03b9\u03bf \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf. \u039f\u03b9 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03b5 \u03c0\u03cc\u03c1\u03bf\u03c5\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c7\u03b5\u03b9\u03c1\u03c9\u03bd\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c4\u03b1\u03ba\u03c4\u03ac \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1. \u03a9\u03c2 \u03b5\u03ba \u03c4\u03bf\u03cd\u03c4\u03bf\u03c5, \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b4\u03bf\u03c5\u03bb\u03b5\u03b9\u03ac \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b1 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%80%ce%bb%ce%ae%cf%81%ce%b7%cf%82-%ce%bf%ce%b4%ce%b7%ce%b3%cf%8c%cf%82-%ce%b3%ce%b9%ce%b1-%cf%84%ce%b7%ce%bd-%ce%b1%cf%85%cf%84%ce%bf%ce%bc%ce%b1%cf%84%ce%bf%cf%80%ce%bf%ce%af%ce%b7%cf%83%ce%b7-2\">\u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 RPA<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B1_%CE%BA%CE%B1%CE%BB%CF%8D%CF%84%CE%B5%CF%81%CE%B1_%CE%B5%CF%81%CE%B3%CE%B1%CE%BB%CE%B5%CE%AF%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CF%8E%CE%BD_%CE%B1%CF%85%CF%84%CE%BF%CE%BC%CE%B1%CF%84%CE%BF%CF%80%CE%BF%CE%AF%CE%B7%CF%83%CE%B7%CF%82_ETL\"><\/span><strong>\u03a4\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-59213\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/1-1024x655.jpg\" alt=\"ZAPTEST RPA + \u03c3\u03bf\u03c5\u03af\u03c4\u03b1 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd\" width=\"1024\" height=\"655\" srcset=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/1-980x627.jpg 980w, https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/05\/1-480x307.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<p>\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03c6\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03ce\u03c1\u03b1 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 ETL \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c0\u03bb\u03b5\u03bf\u03bd\u03ad\u03ba\u03c4\u03b7\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03cc\u03c3\u03bf\u03bd \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03b1\u03be\u03b9\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03cc\u03c1\u03c9\u03bd \u03c3\u03b1\u03c2.<\/p>\n<p>\u0395\u03c5\u03c4\u03c5\u03c7\u03ce\u03c2, \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03ac \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c3\u03c4\u03b7\u03bd \u03b1\u03b3\u03bf\u03c1\u03ac. \u039a\u03ac\u03b8\u03b5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03bc\u03b5 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<p>\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf\u03c5 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2:<\/p>\n<ul>\n<li>\u03a0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 ETL \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ae\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b1\u03c2<\/li>\n<li>\u039f \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b5<\/li>\n<li>\u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1 \u03ae \u03c3\u03c5\u03b3\u03ba\u03ad\u03bd\u03c4\u03c1\u03c9\u03c3\u03b7 \u03bc\u03b7 \u03b4\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL<\/li>\n<li>\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b5\u03c0\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03be\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ce\u03bd \u03c3\u03b1\u03c2<\/li>\n<li>\u039f \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c3\u03b1\u03c2.<\/li>\n<\/ul>\n<p>\u0391\u03c2 \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b1\u03c4\u03b9\u03ac \u03c3\u03c4\u03b1 5 \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_QuerySurge\"><\/span>#5. QuerySurge<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>\u03a4\u03bf QuerySurge \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b4\u03c1\u03bf\u03bc\u03ae \u03ba\u03b1\u03b9 \u03b4\u03af\u03bd\u03b5\u03b9 \u03ad\u03bc\u03c6\u03b1\u03c3\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2. \u03a5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03bf\u03cd\u03c2 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03b7\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5, \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2, \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<p>\u0397 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c5\u03c7\u03ac\u03c1\u03b9\u03c3\u03c4\u03b7 \u03c3\u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c5\u03c0\u03bf\u03b2\u03bf\u03bb\u03ae\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03ba\u03c6\u03c1\u03ac\u03c3\u03b5\u03b9 \u03c0\u03b1\u03c1\u03ac\u03c0\u03bf\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03b1\u03b4\u03b9\u03b1\u03c6\u03b1\u03bd\u03ae \u03c4\u03b9\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 QuerySurge, \u03b5\u03bd\u03ce \u03ac\u03bb\u03bb\u03bf\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ad\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03c6\u03b9\u03bb\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b5\u03ba\u03bc\u03ac\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03ac\u03c0\u03b5\u03b9\u03c1\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_iCEDQ\"><\/span>#4. iCEDQ<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf iCEDQ \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u03a0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9 \u03ba\u03b1\u03bd\u03cc\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03c3\u03b1 \u03b1\u03bd\u03af\u03c7\u03bd\u03b5\u03c5\u03c3\u03b7 \u03c3\u03c6\u03b1\u03bb\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03c4\u03b7 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1 ML. \u0397 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7, \u03b7 \u03c5\u03c0\u03bf\u03b2\u03bf\u03bb\u03ae \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03bf\u03c0\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 iCEDQ, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03ad\u03bd\u03b1 \u03ba\u03b1\u03bb\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2.<\/p>\n<p>\u03a4\u03bf\u03cd\u03c4\u03bf\u03c5 \u03bb\u03b5\u03c7\u03b8\u03ad\u03bd\u03c4\u03bf\u03c2, \u03b7 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf\u03c5 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b1 \u03c4\u03bf\u03c0\u03af\u03b1 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03bf\u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c4\u03b1 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 iCEDQ. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03c0\u03b5\u03c1\u03af\u03c0\u03bb\u03bf\u03ba\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c3\u03b5 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_RightData\"><\/span>#3. RightData<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf RightData \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c6\u03b9\u03bb\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03c4\u03cc\u03c3\u03bf \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u03a4\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03bf \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd cloud. \u039c\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03b1\u03c0\u03cc \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03c1\u03cc\u03c3\u03ba\u03bf\u03c0\u03c4\u03b7 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03c1\u03bf\u03ae\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03b9\u03ce\u03bd, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03c6\u03ad\u03c2 \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf RightData \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b5\u03c1\u03b4\u03af\u03c3\u03b5\u03b9 \u03b4\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b1 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1.<\/p>\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b5\u03bd\u03ce \u03c4\u03bf RightData \u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b7\u03c4\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03cc \u03b1\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 ETL. \u03a0\u03b1\u03c1\u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b4\u03c1\u03bf\u03bc\u03b7\u03c4\u03b9\u03ba\u03cc, \u03bf\u03b9 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03bb\u03b9\u03bc\u03b1\u03ba\u03c9\u03b8\u03bf\u03cd\u03bd \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03ac \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2. \u03a3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03bf\u03b2\u03bb\u03ad\u03c8\u03b9\u03bc\u03bf \u03b5\u03bd\u03b9\u03b1\u03af\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03c4\u03b9\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 ZAPTEST \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b5\u03c1\u03b9\u03cc\u03c1\u03b9\u03c3\u03c4\u03b5\u03c2 \u03ac\u03b4\u03b5\u03b9\u03b5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2, \u03b7 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 RightData \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b9\u03bc\u03c9\u03c1\u03b5\u03af \u03c4\u03b9\u03c2 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03ae \u03ba\u03bb\u03b9\u03bc\u03b1\u03ba\u03bf\u03cd\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b5\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_BiG_EVAL\"><\/span>#2. BiG EVAL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u03a4\u03bf BiG EVAL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 ETL \u03ba\u03b1\u03b9 \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03bb\u03b1\u03b9\u03ce\u03bd \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03ce\u03bd. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b2\u03ac\u03c3\u03b5\u03b9 \u03ba\u03b1\u03bd\u03cc\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c6\u03af\u03bb \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03ba\u03b1\u03bb\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL. \u03a4\u03bf BiG EVAL \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03b5\u03bd\u03ce \u03c3\u03b5 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03cc \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b9\u03bf \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL.<\/p>\n<p>\u03a4\u03bf\u03cd\u03c4\u03bf\u03c5 \u03bb\u03b5\u03c7\u03b8\u03ad\u03bd\u03c4\u03bf\u03c2, \u03b7 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 BiG EVAL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1. \u03a3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf ZAPTEST, \u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bb\u03af\u03b3\u03bf \u03c0\u03b1\u03bb\u03b9\u03bf\u03bc\u03bf\u03b4\u03af\u03c4\u03b9\u03ba\u03b7. \u0395\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bc\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 BiG EVAL, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b7 \u03c4\u03b9\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03b2\u03ac\u03c3\u03b5\u03b9 \u03ac\u03b4\u03b5\u03b9\u03b1\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03c7\u03b8\u03b5\u03af \u03b1\u03c0\u03b1\u03b3\u03bf\u03c1\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2, \u03b5\u03ac\u03bd \u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ac.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"1_ZAPTEST_%CE%97_%CE%BD%CE%BF%CF%8D%CE%BC%CE%B5%CF%81%CE%BF_1_%CE%B5%CF%80%CE%B9%CE%BB%CE%BF%CE%B3%CE%AE_%CE%B3%CE%B9%CE%B1_%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AD%CF%82_ETL\"><\/span><strong>#1. ZAPTEST: \u0397 \u03bd\u03bf\u03cd\u03bc\u03b5\u03c1\u03bf 1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img alt=\"Software Testing Tools - Top 30 Best Software Testing Products on the Market in 2024\" data-dominant-color=\"e4e4e4\" data-has-transparency=\"false\" style=\"--dominant-color: #e4e4e4;\" alt=\"Software Testing Tools - Top 30 Best Software Testing Products on the Market in 2024\" decoding=\"async\" class=\"aligncenter size-full wp-image-72806 not-transparent\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2023\/11\/ZAPTEST-Script-Less-Introduction.gif\" alt=\"\" width=\"600\" height=\"337\"><\/p>\n<p>\u0391\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf <a href=\"https:\/\/www.zaptest.com\/el\">ZAPTEST<\/a> \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL, \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03b5\u03bd\u03b4\u03b5\u03bb\u03b5\u03c7\u03ae \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL.<\/p>\n<p>\u038c\u03c0\u03c9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 ETL \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03c9\u03c3\u03b7, \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2. \u03a4\u03bf ZAPTEST \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac \u03ba\u03b1\u03b9 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1. \u03a4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03bc\u03b1\u03c2 <a href=\"https:\/\/www.zaptest.com\/el\/end-to-end-testing-%ce%b2%ce%b1%ce%b8%ce%b9%ce%ac-%ce%b5%ce%bc%ce%b2%ce%ac%ce%b8%cf%85%ce%bd%cf%83%ce%b7-%cf%83%cf%84%ce%bf%cf%85%cf%82-%cf%84%cf%8d%cf%80%ce%bf%cf%85%cf%82-%ce%b4%ce%bf%ce%ba%ce%b9\">End-to-End Testing<\/a> \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03c5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03c5\u03c6\u03c5\u0390\u03b1 \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03be\u03af\u03b1.<\/p>\n<p>\u03a4\u03bf ZAPTEST \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1<a href=\"https:\/\/www.zaptest.com\/el\/%ce%b5%cf%81%ce%b3%ce%b1%ce%bb%ce%b5%ce%af%ce%b1-rpa-top-31-best-robotic-process-automation-software-%cf%83%cf%84%ce%b7%ce%bd-%ce%b1%ce%b3%ce%bf%cf%81%ce%ac\"> \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 RPA \u03c3\u03c4\u03b7\u03bd \u03b1\u03b3\u03bf\u03c1\u03ac<\/a>. \u03a3\u03c4\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL, \u03b7 RPA \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03bf\u03b2\u03b1\u03c1\u03ae \u03b1\u03be\u03af\u03b1, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c1\u03b5\u03b1\u03bb\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03bf\u03b7\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b1\u03c2 \u03bd\u03b1 \u03b5\u03b9\u03c3\u03b1\u03b3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 ETL.<\/p>\n<p>\u039c\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 ZAPTET \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, \u03c4\u03b7\u03bd \u03b1\u03c3\u03c4\u03c1\u03b1\u03c0\u03b9\u03b1\u03af\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03c1\u03cc\u03c3\u03ba\u03bf\u03c0\u03c4\u03b7 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ac \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1, \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 one-stop-shop \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ac, \u03c0\u03bf\u03bb\u03bb\u03ac \u03ac\u03bb\u03bb\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"%CE%A4%CE%B5%CE%BB%CE%B9%CE%BA%CE%AD%CF%82_%CF%83%CE%BA%CE%AD%CF%88%CE%B5%CE%B9%CF%82\"><\/span><strong>\u03a4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03c3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img alt=\"\" alt=\"\" decoding=\"async\" class=\"aligncenter wp-image-6961\" src=\"https:\/\/www.zaptest.com\/wp-content\/uploads\/2022\/04\/cropped-zt-icon.png\" alt=\"\" width=\"54\" height=\"54\"><\/p>\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c4\u03bc\u03ae\u03bc\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2. \u0394\u03b5\u03bd \u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf \u03b1\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03c6\u03b5\u03c1\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03c3\u03c4\u03bf\u03bd \u03c3\u03c4\u03cc\u03c7\u03bf- \u03b1\u03c6\u03bf\u03c1\u03ac \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03ac\u03b8\u03b9\u03ba\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03cc\u03c0\u03c9\u03c2 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03c4\u03b1\u03bd.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03ce\u03c1\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03c1\u03af\u03c3\u03b7\u03c2, \u03b1\u03bd \u03ad\u03c7\u03b5\u03c4\u03b5 \u03ba\u03b1\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03be\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b5 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03bf\u03b9\u03ba\u03bf\u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b3\u03b9\u03b1 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03bf \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ad\u03be\u03bf\u03b4\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae ETL \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03bf\u03c5\u03bd \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac.<\/p>\n<p>\u0397 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b5\u03bd\u03ce \u03bc\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b1 \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b5\u03af\u03c4\u03b5 \u03c7\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1. \u0397 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03ac\u03bb\u03c5\u03c8\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03b1\u03c4\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03b1\u03bd \u03b5\u03af\u03c7\u03b1\u03c4\u03b5 \u03ba\u03bf\u03bb\u03bb\u03ae\u03c3\u03b5\u03b9 \u03bc\u03b5 <a href=\"https:\/\/www.zaptest.com\/el\/%cf%87%ce%b5%ce%b9%cf%81%ce%bf%ce%ba%ce%af%ce%bd%ce%b7%cf%84%ce%bf%cf%82-%ce%ad%ce%bb%ce%b5%ce%b3%cf%87%ce%bf%cf%82-%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%cf%8d%cf%80%ce%bf%ce%b9\">\u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 <\/a>.  <\/p>\n<p>\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ETL \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03b9\u03bd\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1, \u03b5\u03bd\u03ce \u03b1\u03c0\u03b5\u03bb\u03b5\u03c5\u03b8\u03b5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b9\u03bf \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ad\u03c2 \u03ae \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b1\u03be\u03af\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2. \u0397 \u03c5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 <a href=\"https:\/\/www.zaptest.com\/rpa\">\u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd<\/a> <a href=\"https:\/\/www.zaptest.com\/el\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%bf-%ce%b1%cf%85%cf%84%ce%bf%ce%bc%ce%b1%cf%84%ce%b9%cf%83%ce%bc%cf%8c%cf%82-%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%cf%8e%ce%bd-%ce%ad%ce%bd%ce%b1%cf%82-%ce%b1\">\u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/a> \u03ba\u03b1\u03b9 <a href=\"https:\/\/www.zaptest.com\/rpa\">RPA<\/a> \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf ZAPTEST \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c7\u03c1\u03b5\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03ac\u03c3\u03b5\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03c3\u03b1\u03c2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039f\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 &#8211; \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL &#8211; \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c3\u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u039f\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bb\u03bb\u03ad\u03b3\u03bf\u03c5\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03bd\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03b6\u03bf\u03c5\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2, [&hellip;]<\/p>\n","protected":false},"author":14624,"featured_media":76979,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL - \u03a4\u03cd\u03c0\u03bf\u03b9, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1, \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1!","_seopress_titles_desc":"\u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1\u03c2 Extract-Transform-Load \u03ba\u03b1\u03b9 \u03c4\u03b1 8 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 ETL \u03bc\u03ad\u03c7\u03c1\u03b9 8 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03b1\u03c0\u03cc \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 ETL, \u03bc\u03ac\u03b8\u03b5\u03c4\u03b5 \u03cc\u03bb\u03b1 \u03cc\u03c3\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03bf ETL.","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":"","beyondwords_generate_audio":"","beyondwords_integration_method":"","beyondwords_project_id":"","beyondwords_content_id":"","beyondwords_preview_token":"","beyondwords_player_content":"","beyondwords_player_style":"","beyondwords_language_code":"","beyondwords_language_id":"","beyondwords_title_voice_id":"","beyondwords_body_voice_id":"","beyondwords_summary_voice_id":"","beyondwords_error_message":"","beyondwords_disabled":"","beyondwords_delete_content":"","beyondwords_podcast_id":"","beyondwords_hash":"","publish_post_to_speechkit":"","speechkit_hash":"","speechkit_generate_audio":"","speechkit_project_id":"","speechkit_podcast_id":"","speechkit_error_message":"","speechkit_disabled":"","speechkit_access_key":"","speechkit_error":"","speechkit_info":"","speechkit_response":"","speechkit_retries":"","speechkit_status":"","speechkit_updated_at":"","_speechkit_link":"","_speechkit_text":""},"categories":[434],"tags":[],"class_list":{"0":"post-76973","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-434"},"acf":{"short_name":"\u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ETL"},"_links":{"self":[{"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/posts\/76973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/users\/14624"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/comments?post=76973"}],"version-history":[{"count":1,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/posts\/76973\/revisions"}],"predecessor-version":[{"id":77304,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/posts\/76973\/revisions\/77304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/media\/76979"}],"wp:attachment":[{"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/media?parent=76973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/categories?post=76973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zaptest.com\/el\/wp-json\/wp\/v2\/tags?post=76973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}