{"id":77329,"date":"2024-03-05T18:03:20","date_gmt":"2024-03-05T18:03:20","guid":{"rendered":"https:\/\/www.zaptest.com\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi"},"modified":"2024-03-05T21:12:44","modified_gmt":"2024-03-05T21:12:44","slug":"testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi","status":"publish","type":"post","link":"https:\/\/www.zaptest.com\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi","title":{"rendered":"Testov\u00e1n\u00ed ETL &#8211; hlubok\u00fd ponor do toho, co to je, typy, proces, p\u0159\u00edstupy, n\u00e1stroje a dal\u0161\u00ed!"},"content":{"rendered":"<p>Testov\u00e1n\u00ed Extract Transform Load &#8211; nej\u010dast\u011bji ozna\u010dovan\u00e9 jako testov\u00e1n\u00ed ETL &#8211; je kl\u00ed\u010dov\u00fdm n\u00e1strojem ve sv\u011bt\u011b modern\u00ed business intelligence a datov\u00e9 analytiky.<\/p>\n<p>T\u00fdmy mus\u00ed shroma\u017e\u010fovat data z r\u016fzn\u00fdch zdroj\u016f, aby je mohly ukl\u00e1dat do datov\u00fdch sklad\u016f nebo je p\u0159ipravit pro n\u00e1stroje business intelligence, kter\u00e9 jim pomohou p\u0159i kvalitn\u00edm rozhodov\u00e1n\u00ed nebo z\u00edsk\u00e1v\u00e1n\u00ed informac\u00ed. Testov\u00e1n\u00ed ETL pom\u00e1h\u00e1 zajistit, aby procesy, data a poznatky byly v po\u0159\u00e1dku a p\u0159ipraven\u00e9 na podporu podnik\u00e1n\u00ed.<\/p>\n<p>Prozkoumejme, co je to testov\u00e1n\u00ed Extract Transform Load a jak funguje, a pot\u00e9 se pod\u011blme o r\u016fzn\u00e9 p\u0159\u00edstupy a n\u00e1stroje, kter\u00e9 m\u016f\u017eete pro testov\u00e1n\u00ed ETL pou\u017e\u00edt.<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_je_Extract-Transform-Load\" >Co je 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#a_jak_to_funguje\" >a jak to funguje?<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Vypis\" >1. V\u00fdpis:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Transformace\" >2. Transformace:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Zatizeni\" >3. Zat\u00ed\u017een\u00ed:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_je_testovani_ETL\" >Co je testov\u00e1n\u00ed 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Jak_se_transformuje_extrakt\" >Jak se transformuje extrakt<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#testovani_zateze\" >testov\u00e1n\u00ed z\u00e1t\u011b\u017ee?<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Vypis-2\" >1. V\u00fdpis<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Transformace-2\" >2. Transformace<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Zatizeni-2\" >3. Zat\u00ed\u017een\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Ruzne_typy_testovani_ETL\" >R\u016fzn\u00e9 typy testov\u00e1n\u00ed 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Testovani_validace_zdrojovych_dat\" >1. Testov\u00e1n\u00ed validace zdrojov\u00fdch dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Testovani_sladeni_zdrojovych_a_cilovych_dat\" >2. Testov\u00e1n\u00ed slad\u011bn\u00ed zdrojov\u00fdch a c\u00edlov\u00fdch dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-2\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-2\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Testovani_transformace_dat\" >3. Testov\u00e1n\u00ed transformace dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-3\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-3\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#4_Testovani_validace_dat\" >4. Testov\u00e1n\u00ed validace dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-4\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-4\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#5_Testovani_referencni_integrity_ETL\" >5. Testov\u00e1n\u00ed referen\u010dn\u00ed integrity 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-5\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-5\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#6_Integracni_testovani\" >6. Integra\u010dn\u00ed testov\u00e1n\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-6\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-6\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#7_Testovani_vykonu\" >7. Testov\u00e1n\u00ed v\u00fdkonu<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-7\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-7\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#8_Funkcni_testovani\" >8. Funk\u010dn\u00ed testov\u00e1n\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-8\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-8\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#9_Regresni_testovani\" >9. Regresn\u00ed testov\u00e1n\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Dulezitost-9\" >D\u016fle\u017eitost:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Co_kontroluje-9\" >Co kontroluje:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#8_fazi_testovani_ETL_s\" >8 f\u00e1z\u00ed testov\u00e1n\u00ed ETL s<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#8_odbornych_tipu_pro_uspech\" >8 odborn\u00fdch tip\u016f pro \u00fasp\u011bch<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Shromazdovani_obchodnich_pozadavku\" >#1. Shroma\u017e\u010fov\u00e1n\u00ed obchodn\u00edch po\u017eadavk\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Identifikace_a_validace_zdroju_dat\" >#2. Identifikace a validace zdroj\u016f dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-2\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Psani_testovacich_pripadu\" >#3. Psan\u00ed testovac\u00edch p\u0159\u00edpad\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-3\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#4_Provadeni_testovacich_pripadu\" >#4. Prov\u00e1d\u011bn\u00ed testovac\u00edch p\u0159\u00edpad\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-4\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#5_Generovani_zprav\" >#5. Generov\u00e1n\u00ed zpr\u00e1v<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-5\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#6_Opakovane_testovani_chyb_a_nedostatku\" >#6. Opakovan\u00e9 testov\u00e1n\u00ed chyb a nedostatk\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-6\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#7_Zaverecne_zpravy\" >#7. Z\u00e1v\u011bre\u010dn\u00e9 zpr\u00e1vy<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-7\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#8_Uzavirani_zprav\" >#8. Uzav\u00edr\u00e1n\u00ed zpr\u00e1v<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tip_odbornika-8\" >Tip odborn\u00edka:<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Vypis_transformovat_testovani_zateze\" >V\u00fdpis transformovat testov\u00e1n\u00ed z\u00e1t\u011b\u017ee<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Presnost_a_integrita_dat\" >1. P\u0159esnost a integrita dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Uspora_casu_a_penez\" >2. \u00daspora \u010dasu a pen\u011bz<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Vykonnost\" >3. V\u00fdkonnost<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#4_Dodrzovani_predpisu\" >4. Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#5_Lepsi_rozhodovani\" >5. Lep\u0161\u00ed rozhodov\u00e1n\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Problemy_spojene_s_testovanim_ETL\" >Probl\u00e9my spojen\u00e9 s testov\u00e1n\u00edm 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Objem_a_slozitost_dat\" >1. Objem a slo\u017eitost dat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Zavislost_na_zdrojovem_systemu\" >2. Z\u00e1vislost na zdrojov\u00e9m syst\u00e9mu<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Slozitost_transformace\" >3. Slo\u017eitost transformace<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#4_Posouvani_pozadavku\" >4. Posouv\u00e1n\u00ed po\u017eadavk\u016f<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#5_Omezeni_testovaciho_prostredi\" >5. Omezen\u00ed testovac\u00edho prost\u0159ed\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Tipy_a_osvedcene_postupy_ETL\" >Tipy a osv\u011bd\u010den\u00e9 postupy 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_Prubezne_testovani\" >#1. Pr\u016fb\u011b\u017en\u00e9 testov\u00e1n\u00ed<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#2_Zadny_tester_ETL_neni_ostrov\" >#2. \u017d\u00e1dn\u00fd tester ETL nen\u00ed ostrov<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#3_Pevna_dokumentace_je_velmi_dulezita\" >#3. Pevn\u00e1 dokumentace je velmi d\u016fle\u017eit\u00e1.<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#4_Co_nejvice_automatizovat\" >#4. Co nejv\u00edce automatizovat<\/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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Nejlepsi_nastroje_pro_automatizaci_testovani_ETL\" >Nejlep\u0161\u00ed n\u00e1stroje pro automatizaci testov\u00e1n\u00ed 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#1_ZAPTEST_Volba_cislo_1_pro_testovani_ETL\" >#1. ZAPTEST: Volba \u010d\u00edslo 1 pro testov\u00e1n\u00ed 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\/cs\/testovani-etl-hluboky-ponor-do-toho-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\/#Zaverecne_myslenky\" >Z\u00e1v\u011bre\u010dn\u00e9 my\u0161lenky<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Co_je_Extract-Transform-Load\"><\/span><strong>Co je Extract-Transform-Load,  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"a_jak_to_funguje\"><\/span><strong>a jak to funguje?<\/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=\"Testov\u00e1n\u00ed ETL - hlubok\u00fd ponor do toho, co to je, typy, proces, p\u0159\u00edstupy, n\u00e1stroje a dal\u0161\u00ed!\" 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>Extrakce, transformace a na\u010d\u00edt\u00e1n\u00ed (ETL) je kl\u00ed\u010dov\u00fdm konceptem v oblasti datov\u00fdch sklad\u016f a analytiky. ETL v podstat\u011b popisuje proces shroma\u017e\u010fov\u00e1n\u00ed dat z r\u016fzn\u00fdch zdroj\u016f a jejich soust\u0159ed\u011bn\u00ed do datov\u00e9ho skladu nebo datov\u00e9ho jezera.<\/p>\n<p>Poj\u010fme si proces ETL rozd\u011blit na jednotliv\u00e9 \u010d\u00e1sti, abyste mu l\u00e9pe porozum\u011bli.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Vypis\"><\/span><strong>1. V\u00fdpis:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00dadaje jsou z\u00edsk\u00e1v\u00e1ny z r\u016fzn\u00fdch zdroj\u016f. T\u011bmito zdroji mohou b\u00fdt st\u00e1vaj\u00edc\u00ed datab\u00e1ze, aplikace ERP nebo CRM, tabulky, webov\u00e9 slu\u017eby nebo r\u016fzn\u00e9 soubory.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Transformace\"><\/span><strong>2. Transformace:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Po z\u00edsk\u00e1n\u00ed dat je t\u0159eba je transformovat tak, aby byla vhodn\u00e1 pro ulo\u017een\u00ed nebo anal\u00fdzu. Tento proces m\u016f\u017ee zahrnovat \u010di\u0161t\u011bn\u00ed a normalizaci dat a jejich p\u0159evod do vhodn\u00e9ho form\u00e1tu.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Zatizeni\"><\/span><strong>3. Zat\u00ed\u017een\u00ed:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Posledn\u00ed \u010d\u00e1st procesu spo\u010d\u00edv\u00e1 v na\u010dten\u00ed dat do c\u00edlov\u00e9ho syst\u00e9mu. T\u00edmto c\u00edlov\u00fdm syst\u00e9mem m\u016f\u017ee b\u00fdt datov\u00fd sklad, datov\u00e9 jezero nebo jin\u00e9 \u00falo\u017ei\u0161t\u011b.<\/p>\n<p>&nbsp;<\/p>\n<p>A\u010dkoli <a href=\"https:\/\/www.ibm.com\/topics\/etl\">ETL existuje ji\u017e od 70. let 20. stolet\u00ed<\/a>, v posledn\u00ed dob\u011b nab\u00fdv\u00e1 na v\u00fdznamu v d\u016fsledku v\u011bt\u0161\u00edho spol\u00e9h\u00e1n\u00ed se podnikatelsk\u00fdch komunit na cloudov\u00e9 syst\u00e9my, data v re\u00e1ln\u00e9m \u010dase, analytiku a n\u00e1stroje ML\/AI.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Co_je_testovani_ETL\"><\/span><strong>Co je testov\u00e1n\u00ed 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=\"Testovac\u00ed pl\u00e1n v testov\u00e1n\u00ed softwaru - co to je, typy, proces, p\u0159\u00edstupy, n\u00e1stroje a dal\u0161\u00ed!\" 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>Testov\u00e1n\u00ed ETL je typem testov\u00e1n\u00ed zpracov\u00e1n\u00ed dat, kter\u00e9 ov\u011b\u0159uje, zda data z\u00edskan\u00e1 z jednoho zdroje byla spr\u00e1vn\u011b p\u0159enesena na m\u00edsto ur\u010den\u00ed. Jak se do\u010dtete v\u00fd\u0161e, po z\u00edsk\u00e1n\u00ed dat je t\u0159eba je transformovat podle obchodn\u00edch po\u017eadavk\u016f. Tato transformace m\u016f\u017ee ob\u010das v\u00e9st k probl\u00e9m\u016fm s daty. Testov\u00e1n\u00ed ETL pom\u00e1h\u00e1 zajistit spolehlivost a p\u0159esnost dat.<\/p>\n<p>Testov\u00e1n\u00ed ETL je druh <a href=\"https:\/\/www.zaptest.com\/cs\/testovani-cerne-skrinky-co-to-je-typy-proces-pristupy-nastroje-a-dalsi\">testov\u00e1n\u00ed \u010dern\u00e9 sk\u0159\u00ed\u0148ky<\/a>, proto\u017ee ov\u011b\u0159uje proces v\u00fdm\u011bny, transformace a na\u010d\u00edt\u00e1n\u00ed porovn\u00e1n\u00edm vstup\u016f s v\u00fdstupy. Ve skute\u010dnosti se zam\u011b\u0159uje na to, co syst\u00e9m d\u011bl\u00e1 v reakci na r\u016fzn\u00e9 vstupy, a nikoli na to, jak t\u011bchto v\u00fdsledk\u016f dosahuje. V ur\u010dit\u00fdch situac\u00edch se v\u0161ak teste\u0159i pod\u00edvaj\u00ed na to, co se d\u011bje uvnit\u0159 krabice, zejm\u00e9na kdy\u017e se vyskytnou neo\u010dek\u00e1van\u00e9 sc\u00e9n\u00e1\u0159e.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Jak_se_transformuje_extrakt\"><\/span><strong>Jak se transformuje extrakt  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"testovani_zateze\"><\/span><strong>testov\u00e1n\u00ed z\u00e1t\u011b\u017ee?<\/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=\"alfa testov\u00e1n\u00ed vs. beta testov\u00e1n\u00ed\" 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>Nejjednodu\u0161\u0161\u00ed zp\u016fsob, jak vysv\u011btlit, jak testov\u00e1n\u00ed ETL funguje, je rozd\u011blit ho na jednotliv\u00e9 \u010d\u00e1sti: extrakci, transformaci a na\u010d\u00edt\u00e1n\u00ed. Odtud m\u016f\u017eete pochopit r\u016fzn\u00e9 prvky validace ETL, ne\u017e si jednotliv\u00e9 f\u00e1ze rozd\u011bl\u00edme podrobn\u011bji.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Vypis-2\"><\/span><strong>1. V\u00fdpis<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>Testov\u00e1n\u00ed ETL ov\u011b\u0159uje, zda jsou data z\u00edskan\u00e1 ze zdroje p\u0159esn\u00e1 a bezchybn\u00e1. Tento proces zahrnuje kontrolu spr\u00e1vnosti z\u00e1kladn\u00edch hodnot a zaji\u0161t\u011bn\u00ed \u00faplnosti \u00fadaj\u016f.<\/p>\n<p>Dal\u0161\u00ed \u010d\u00e1st procesu zahrnuje profilov\u00e1n\u00ed dat. Tento proces \u00fa\u010dinn\u011b spo\u010d\u00edv\u00e1 v pochopen\u00ed struktury, obsahu a kvality zdrojov\u00fdch dat. Jde o to, abyste mohli odhalit p\u0159\u00edpadn\u00e9 anom\u00e1lie, nesrovnalosti nebo potenci\u00e1ln\u00ed probl\u00e9my s mapov\u00e1n\u00edm.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Transformace-2\"><\/span><strong>2. Transformace<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>V dal\u0161\u00ed \u010d\u00e1sti procesu se zkoum\u00e1 p\u0159\u00edsn\u00e9 dodr\u017eov\u00e1n\u00ed pravidel transformace dat. Jedn\u00edm z hlavn\u00edch p\u0159\u00edstup\u016f je testov\u00e1n\u00ed transforma\u010dn\u00ed logiky s ohledem na p\u0159edpisy, z\u00e1kony a dal\u0161\u00ed obchodn\u00ed pravidla.<\/p>\n<p>Mezi typick\u00e9 testy pat\u0159\u00ed kontrola konverze dat do o\u010dek\u00e1van\u00fdch form\u00e1t\u016f, p\u0159esnosti v\u00fdpo\u010dt\u016f a ov\u011b\u0159en\u00ed, zda vyhled\u00e1v\u00e1n\u00ed propojuje prvky mezi datov\u00fdmi sadami.<\/p>\n<p>V \u00favahu p\u0159ich\u00e1z\u00ed tak\u00e9 kvalita dat. Teste\u0159i mus\u00ed naj\u00edt a odstranit nekonzistence a duplicity ve form\u00e1tov\u00e1n\u00ed a vy\u0159e\u0161it v\u0161echny konfliktn\u00ed \u00fadaje p\u0159i pou\u017eit\u00ed proces\u016f \u010di\u0161t\u011bn\u00ed dat.<\/p>\n<p>Nakonec se testuje tak\u00e9 celkov\u00fd v\u00fdkon, aby se zjistilo, jak proces ETL ovliv\u0148uj\u00ed velk\u00e9 objemy dat.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Zatizeni-2\"><\/span><strong>3. Zat\u00ed\u017een\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>Nakonec, kdy\u017e jsou data vlo\u017eena do datov\u00e9ho skladu, datov\u00e9ho jezera nebo jin\u00e9ho kone\u010dn\u00e9ho c\u00edle, mus\u00ed teste\u0159i ov\u011b\u0159it, zda jsou \u00fapln\u00e1, p\u0159esn\u00e1 a prezentovan\u00e1 ve spr\u00e1vn\u00e9m form\u00e1tu.<\/p>\n<p>Porovn\u00e1v\u00e1n\u00edm se zkontroluje, zda nedo\u0161lo ke ztr\u00e1t\u011b nebo po\u0161kozen\u00ed dat na cest\u011b mezi zdrojem, oblast\u00ed ukl\u00e1d\u00e1n\u00ed a c\u00edli.<\/p>\n<p>Nakonec se kontroluj\u00ed auditn\u00ed z\u00e1znamy, aby se zjistilo, zda proces sleduje v\u0161echny zm\u011bny, ke kter\u00fdm dojde b\u011bhem procesu ETL, a zda jsou p\u0159\u00edtomny historie a metadata.<\/p>\n<p>Tato \u010d\u00e1st by v\u00e1m m\u011bla poskytnout z\u00e1kladn\u00ed p\u0159ehled o tom, jak se prov\u00e1d\u011bj\u00ed kontroly kvality dat ETL. V\u0161imn\u011bte si, \u017ee testy prob\u00edhaj\u00ed v ka\u017ed\u00e9 f\u00e1zi p\u0159enosu dat, proto\u017ee je to nejlep\u0161\u00ed zp\u016fsob, jak identifikovat a vy\u0159e\u0161it konkr\u00e9tn\u00ed probl\u00e9my.<\/p>\n<p>Pro hlub\u0161\u00ed pochopen\u00ed koncepce testov\u00e1n\u00ed ETL je v\u0161ak t\u0159eba prozkoumat r\u016fzn\u00e9 typy testov\u00e1n\u00ed ETL a f\u00e1ze, ve kter\u00fdch se pou\u017e\u00edvaj\u00ed. N\u00e1sleduj\u00edc\u00ed dv\u011b \u010d\u00e1sti v\u00e1m tyto informace poskytnou a pomohou v\u00e1m z\u00edskat kompletn\u00ed obraz, kter\u00fd pot\u0159ebujete.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Ruzne_typy_testovani_ETL\"><\/span><strong>R\u016fzn\u00e9 typy testov\u00e1n\u00ed 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=\"kontroln\u00ed seznam uat, n\u00e1stroje pro testov\u00e1n\u00ed webov\u00fdch aplikac\u00ed, automatizace a dal\u0161\u00ed\" width=\"608\" height=\"405\"><\/p>\n<p>P\u0159i testov\u00e1n\u00ed ETL existuje mnoho r\u016fzn\u00fdch typ\u016f validace. Pou\u017e\u00edvaj\u00ed se v r\u016fzn\u00fdch sc\u00e9n\u00e1\u0159\u00edch a k r\u016fzn\u00fdm \u00fa\u010del\u016fm. Prozkoumejme typy testov\u00e1n\u00ed ETL a to, kde a kdy byste je m\u011bli pou\u017e\u00edt.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Testovani_validace_zdrojovych_dat\"><\/span><strong>1. Testov\u00e1n\u00ed validace zdrojov\u00fdch dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost\"><\/span><strong>D\u016fle\u017eitost:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Testov\u00e1n\u00ed validace zdrojov\u00fdch dat zaji\u0161\u0165uje, \u017ee zdrojov\u00e1 data jsou kvalitn\u00ed a konzistentn\u00ed p\u0159ed jejich extrakc\u00ed pro transformaci.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Jsou data v souladu s obchodn\u00edmi pravidly?<\/li>\n<li>Odpov\u00eddaj\u00ed typy a form\u00e1ty dat o\u010dek\u00e1v\u00e1n\u00edm?<\/li>\n<li>Spadaj\u00ed data do platn\u00fdch rozsah\u016f?<\/li>\n<li>Vyskytuj\u00ed se na neo\u010dek\u00e1van\u00fdch m\u00edstech nulov\u00e9 nebo chyb\u011bj\u00edc\u00ed hodnoty?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Testovani_sladeni_zdrojovych_a_cilovych_dat\"><\/span><strong>2. Testov\u00e1n\u00ed slad\u011bn\u00ed zdrojov\u00fdch a c\u00edlov\u00fdch dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-2\"><\/span><strong>D\u016fle\u017eitost:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Tento typ testov\u00e1n\u00ed ov\u011b\u0159uje, zda jsou v\u0161echna data z ur\u010dit\u00e9ho zdroje extrahov\u00e1na, transformov\u00e1na a na\u010dtena do c\u00edlov\u00e9ho syst\u00e9mu.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-2\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Do\u0161lo b\u011bhem procesu ETL ke ztr\u00e1t\u011b dat?<\/li>\n<li>Byla data b\u011bhem procesu ETL duplikov\u00e1na?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Testovani_transformace_dat\"><\/span><strong>3. Testov\u00e1n\u00ed transformace dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-3\"><\/span><strong>D\u016fle\u017eitost:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Transformace dat mohou zahrnovat mnoho r\u016fzn\u00fdch v\u011bc\u00ed, nap\u0159\u00edklad zm\u011bny form\u00e1tu, v\u00fdpo\u010dty, agregace atd. Testov\u00e1n\u00ed transformace dat kontroluje, zda transformace prob\u011bhly tak, jak bylo zam\u00fd\u0161leno.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-3\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Jsou data po transformaci v souladu s o\u010dek\u00e1v\u00e1n\u00edm?<\/li>\n<li>Byla obchodn\u00ed logika p\u0159i transformac\u00edch implementov\u00e1na spr\u00e1vn\u011b?<\/li>\n<li>Poskytly v\u00fdpo\u010dty proveden\u00e9 b\u011bhem transformace spr\u00e1vn\u00fd v\u00fdstup?<\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Testovani_validace_dat\"><\/span><strong>4. Testov\u00e1n\u00ed validace dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong> <\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-4\"><\/span><strong>D\u016fle\u017eitost:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Testuje, zda v\u00fdsledn\u00e1 data po transformaci odpov\u00eddaj\u00ed obchodn\u00edm po\u017eadavk\u016fm.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-4\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Jsou dodr\u017eov\u00e1ny standardy kvality dat (tj. p\u0159esnost, \u00faplnost)?<\/li>\n<li>Jsou dodr\u017eov\u00e1na obchodn\u00ed pravidla?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Testovani_referencni_integrity_ETL\"><\/span><strong>5. Testov\u00e1n\u00ed referen\u010dn\u00ed integrity ETL<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-5\"><\/span><strong>D\u016fle\u017eitost:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Ov\u011b\u0159uje, zda vztahy mezi tabulkami ve zdrojov\u00fdch datech byly v\u011brn\u011b reprodukov\u00e1ny v c\u00edlov\u00fdch datech.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-5\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Odpov\u00eddaj\u00ed ciz\u00ed kl\u00ed\u010de v datech odpov\u00eddaj\u00edc\u00edm prim\u00e1rn\u00edm kl\u00ed\u010d\u016fm?<\/li>\n<li>Jsou po ETL zachov\u00e1ny vztahy mezi pod\u0159\u00edzen\u00fdmi a nad\u0159\u00edzen\u00fdmi tabulkami?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Integracni_testovani\"><\/span><strong>6. Integra\u010dn\u00ed testov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-6\"><\/span><strong>D\u016fle\u017eitost:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/www.zaptest.com\/cs\/co-je-integracni-testovani-hluboky-ponor-do-typu-procesu-a-implementace\">Integra\u010dn\u00ed testy<\/a> ov\u011b\u0159uj\u00ed, zda se proces ETL integruje a funguje v r\u00e1mci \u0161ir\u0161\u00edho datov\u00e9ho ekosyst\u00e9mu.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-6\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Funguj\u00ed plynul\u00e9 datov\u00e9 toky mezi koncov\u00fdmi u\u017eivateli?<\/li>\n<li>Jak dob\u0159e spolupracuje proces ETL s ostatn\u00edmi syst\u00e9my, jako je zdrojov\u00fd, c\u00edlov\u00fd nebo jin\u00e9 navazuj\u00edc\u00ed aplikace, kter\u00e9 se spol\u00e9haj\u00ed na data?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Testovani_vykonu\"><\/span><strong>7. Testov\u00e1n\u00ed v\u00fdkonu<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-7\"><\/span><strong>D\u016fle\u017eitost:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/www.zaptest.com\/cs\/co-je-testovani-vykonu-hluboky-ponor-do-typu-postupu-nastroju-vyzev-a-dalsich-veci\">Testov\u00e1n\u00ed v\u00fdkonnosti<\/a> ETL hodnot\u00ed, jak efektivn\u00ed je proces ETL, kdy\u017e je vystaven z\u00e1t\u011b\u017ei, nap\u0159\u00edklad velk\u00e9mu zat\u00ed\u017een\u00ed.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-7\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Spl\u0148uje doba zpracov\u00e1n\u00ed ETL obchodn\u00ed po\u017eadavky nebo referen\u010dn\u00ed hodnoty?<\/li>\n<li>Lze proces ETL \u0161k\u00e1lovat v z\u00e1vislosti na rostouc\u00edm objemu dat?<\/li>\n<li>M\u00e1 proces ETL n\u011bjak\u00e1 omezen\u00ed zdroj\u016f nebo \u00fazk\u00e1 m\u00edsta, kter\u00e1 je t\u0159eba \u0159e\u0161it?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Funkcni_testovani\"><\/span><strong>8. Funk\u010dn\u00ed testov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-8\"><\/span><strong>D\u016fle\u017eitost:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><a href=\"https:\/\/www.zaptest.com\/cs\/co-je-funkcni-testovani-typy-priklady-kontrolni-seznam-a-implementace\">Funk\u010dn\u00ed testov\u00e1n\u00ed<\/a> ov\u011b\u0159uje, zda proces ETL spl\u0148uje po\u017eadavky projektu z pohledu u\u017eivatele.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-8\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Odpov\u00eddaj\u00ed v\u00fdstupy stanoven\u00fdm obchodn\u00edm po\u017eadavk\u016fm?<\/li>\n<li>Generuj\u00ed zpr\u00e1vy p\u0159esn\u00e9 v\u00fdsledky?<\/li>\n<li>Zobrazuj\u00ed \u0159\u00eddic\u00ed panely o\u010dek\u00e1van\u00e1 data?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Regresni_testovani\"><\/span><strong>9. Regresn\u00ed testov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Dulezitost-9\"><\/span><strong>D\u016fle\u017eitost:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Procesy ETL jsou velmi slo\u017eit\u00e9 a obsahuj\u00ed velk\u00e9 mno\u017estv\u00ed vz\u00e1jemn\u011b propojen\u00fdch dat. I mal\u00e9 zm\u011bny v procesu mohou ovlivnit v\u00fdstup u zdroje. <a href=\"https:\/\/www.zaptest.com\/cs\/co-je-regresni-testovani-implementace-nastroje-a-kompletni-pruvodce\">Regresn\u00ed testov\u00e1n\u00ed<\/a> m\u00e1 z\u00e1sadn\u00ed v\u00fdznam pro identifikaci t\u011bchto neo\u010dek\u00e1van\u00fdch v\u00fdsledk\u016f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Co_kontroluje-9\"><\/span><strong>Co kontroluje:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Zp\u016fsobuj\u00ed zm\u011bny v k\u00f3du nebo z\u00e1kladn\u00edch datech n\u00e1hl\u00e9 nep\u0159\u00edzniv\u00e9 \u00fa\u010dinky?<\/li>\n<li>M\u011bly zm\u011bny po\u017eadovan\u00fd \u00fa\u010dinek na zlep\u0161en\u00ed procesu ETL?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Stoj\u00ed za zm\u00ednku, \u017ee bychom do tohoto seznamu mohli zahrnout i <a href=\"https:\/\/www.zaptest.com\/cs\/co-je-testovani-jednotek-hloubkovy-ponor-do-procesu-vyhod-vyzev-nastroju-a-dalsiho\">testov\u00e1n\u00ed jednotek<\/a>. M\u00edsto toho jsme v\u0161ak zahrnuli slo\u017eky, kter\u00e9 by testov\u00e1n\u00ed jednotek zahrnovalo, jako je testov\u00e1n\u00ed validace zdroje, testov\u00e1n\u00ed slad\u011bn\u00ed zdrojov\u00fdch a c\u00edlov\u00fdch dat atd.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"8_fazi_testovani_ETL_s\"><\/span><strong>8 f\u00e1z\u00ed testov\u00e1n\u00ed ETL s  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"8_odbornych_tipu_pro_uspech\"><\/span><strong>8 odborn\u00fdch tip\u016f pro \u00fasp\u011bch<\/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 f\u00e1z\u00ed testov\u00e1n\u00ed ETL a 8 odborn\u00fdch tip\u016f pro \u00fasp\u011bch\" width=\"351\" height=\"234\"><\/p>\n<p>Nyn\u00ed, kdy\u017e jste pochopili r\u016fzn\u00e9 typy validace p\u0159i testov\u00e1n\u00ed ETL, je \u010das d\u00e1t v\u0161e dohromady. Testov\u00e1n\u00ed ETL se b\u011b\u017en\u011b prov\u00e1d\u00ed pomoc\u00ed v\u00edcestup\u0148ov\u00e9ho p\u0159\u00edstupu, kter\u00fd p\u0159edstav\u00edme n\u00ed\u017ee.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Shromazdovani_obchodnich_pozadavku\"><\/span><strong>#1. Shroma\u017e\u010fov\u00e1n\u00ed obchodn\u00edch po\u017eadavk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Prvn\u00ed f\u00e1z\u00ed ka\u017ed\u00e9ho procesu testov\u00e1n\u00ed je shrom\u00e1\u017ed\u011bn\u00ed po\u017eadavk\u016f. Teste\u0159i se mus\u00ed shodnout na tom, co m\u00e1 proces ETL p\u0159in\u00e9st. N\u011bkter\u00e9 ot\u00e1zky, kter\u00e9 by m\u011bly b\u00fdt zodpov\u011bzeny v t\u00e9to ran\u00e9 f\u00e1zi, jsou nap\u0159\u00edklad:<\/p>\n<ul>\n<li>Jak budou \u00fadaje pou\u017eity?<\/li>\n<li>Jak\u00e9 v\u00fdstupn\u00ed form\u00e1ty jsou po\u017eadov\u00e1ny?<\/li>\n<li>Jak\u00e1 jsou v\u00fdkonnostn\u00ed o\u010dek\u00e1v\u00e1n\u00ed?<\/li>\n<li>Jak\u00e9 p\u0159edpisy, z\u00e1kony nebo z\u00e1sady spole\u010dnosti upravuj\u00ed pou\u017e\u00edv\u00e1n\u00ed \u00fadaj\u016f?<\/li>\n<\/ul>\n<p><strong> <\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika\"><\/span><strong>Tip odborn\u00edka:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Dodr\u017eov\u00e1n\u00ed po\u017eadavk\u016f je sice nutnost\u00ed, ale teste\u0159i ETL by m\u011bli vyu\u017e\u00edvat sv\u00e9 znalosti a zku\u0161enosti k proaktivn\u00edmu vyhled\u00e1v\u00e1n\u00ed potenci\u00e1ln\u00edch probl\u00e9m\u016f, nesrovnalost\u00ed nebo chyb ji\u017e v po\u010d\u00e1te\u010dn\u00ed f\u00e1zi procesu. V\u010dasn\u00e9 odhalen\u00ed a odstran\u011bn\u00ed probl\u00e9m\u016f je mnohem snaz\u0161\u00ed a \u010dasov\u011b m\u00e9n\u011b n\u00e1ro\u010dn\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Identifikace_a_validace_zdroju_dat\"><\/span><strong>#2. Identifikace a validace zdroj\u016f dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ETL je o z\u00edsk\u00e1v\u00e1n\u00ed dat z r\u016fzn\u00fdch zdroj\u016f dat, jako jsou n\u00e1stroje ERP nebo CRM, aplikace, jin\u00e9 datab\u00e1ze, tabulky atd. Teste\u0159i mus\u00ed potvrdit, \u017ee po\u017eadovan\u00e1 data jsou dostupn\u00e1, spr\u00e1vn\u011b strukturovan\u00e1 a dostate\u010dn\u011b kvalitn\u00ed pro zam\u00fd\u0161len\u00e9 pou\u017eit\u00ed.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-2\"><\/span><strong>Tip odborn\u00edka:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Zdrojov\u00e1 data v re\u00e1ln\u00fdch syst\u00e9mech jsou obvykle chaotick\u00e1. V t\u00e9to f\u00e1zi je kl\u00ed\u010dov\u00e9 vypracov\u00e1n\u00ed d\u016fkladn\u00fdch zpr\u00e1v o profilov\u00e1n\u00ed dat, kter\u00e9 zajist\u00ed identifikaci chyb\u011bj\u00edc\u00edch hodnot, probl\u00e9m\u016f s form\u00e1tem, anom\u00e1li\u00ed a dal\u0161\u00edch nekonzistenc\u00ed, kter\u00e9 chcete v budoucnu vynechat z transforma\u010dn\u00ed logiky.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Psani_testovacich_pripadu\"><\/span><strong>#3. Psan\u00ed testovac\u00edch p\u0159\u00edpad\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kdy\u017e m\u00e1te v ruce obchodn\u00ed po\u017eadavky a zpr\u00e1vy o profilov\u00e1n\u00ed dat, je \u010das sestavit testovac\u00ed p\u0159\u00edpady, kter\u00e9 pot\u0159ebujete k ov\u011b\u0159en\u00ed procesu ETL. Testovac\u00ed p\u0159\u00edpady by m\u011bly zahrnovat funk\u010dn\u00ed testy, jako\u017e i okrajov\u00e9 p\u0159\u00edpady a v\u0161echny oblasti, u kter\u00fdch jste identifikovali vysok\u00e9 riziko selh\u00e1n\u00ed.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-3\"><\/span><strong>Tip odborn\u00edka:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Testov\u00e1n\u00ed jednotliv\u00fdch transformac\u00ed je dobr\u00e9, ale lep\u0161\u00ed je vytvo\u0159it testovac\u00ed p\u0159\u00edpady, kter\u00e9 pochop\u00ed, jak jsou data ovlivn\u011bna p\u0159i p\u0159enosu cel\u00fdm postupem ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Provadeni_testovacich_pripadu\"><\/span><strong>#4. Prov\u00e1d\u011bn\u00ed testovac\u00edch p\u0159\u00edpad\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nyn\u00ed je \u010das pou\u017e\u00edt testovac\u00ed p\u0159\u00edpady. Zkou\u0161ej\u00edc\u00ed by se m\u011bli sna\u017eit simulovat skute\u010dn\u00e9 podm\u00ednky, nebo pokud je to mo\u017en\u00e9, pou\u017e\u00edt skute\u010dn\u00e9 podm\u00ednky.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-4\"><\/span><strong>Tip odborn\u00edka:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>N\u00e1stroje pro automatick\u00e9 testov\u00e1n\u00ed ETL jsou zde z\u00e1sadn\u00ed. Schopnost vytv\u00e1\u0159et konzistentn\u00ed a reprodukovateln\u00e9 testy \u0161et\u0159\u00ed obrovsk\u00e9 mno\u017estv\u00ed \u010dasu a \u00fasil\u00ed. Nav\u00edc je testov\u00e1n\u00ed ETL neust\u00e1l\u00fdm po\u017eadavkem, proto\u017ee zdroje dat jsou aktualizov\u00e1ny nebo doch\u00e1z\u00ed ke zm\u011bn\u00e1m v samotn\u00e9m procesu ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Generovani_zprav\"><\/span><strong>#5. Generov\u00e1n\u00ed zpr\u00e1v<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Po proveden\u00ed test\u016f je t\u0159eba v\u00fdsledky v\u011brn\u011b zdokumentovat. Zaznamenejte si v\u00fdsledky a uve\u010fte:<\/p>\n<ul>\n<li>\u00dasp\u011bchy<\/li>\n<li>Selh\u00e1n\u00ed<\/li>\n<li>Odchylky od o\u010dek\u00e1v\u00e1n\u00ed<\/li>\n<li>Jak\u00e9 opravy nebo zm\u011bny je t\u0159eba prov\u00e9st<\/li>\n<\/ul>\n<p>Tyto zpr\u00e1vy v\u00e1m umo\u017en\u00ed mnohem v\u00edc ne\u017e jen potvrdit stav syst\u00e9mu. Poskytnou v\u00e1m tak\u00e9 harmonogram v\u0161ech oprav, kter\u00e9 je t\u0159eba prov\u00e9st, a z\u00e1rove\u0148 poskytnou d\u016fle\u017eit\u00e9 informace pot\u0159ebn\u00e9 k optimalizaci procesu ETL.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-5\"><\/span><strong>Tip odborn\u00edka:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Zpr\u00e1vy jsou ur\u010deny v\u0161em, v\u010detn\u011b netechnick\u00fdch zainteresovan\u00fdch stran. Sna\u017ete se omezit \u017eargon a p\u0159\u00edli\u0161 technick\u00e9 pojmy a k vysv\u011btlen\u00ed procesu pou\u017e\u00edvejte vizu\u00e1ln\u00ed shrnut\u00ed, jako jsou grafy, tabulky a dal\u0161\u00ed.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Opakovane_testovani_chyb_a_nedostatku\"><\/span><strong>#6. Opakovan\u00e9 testov\u00e1n\u00ed chyb a nedostatk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00e1le je t\u0159eba zkontrolovat, zda byly vy\u0159e\u0161eny chyby a nedostatky zji\u0161t\u011bn\u00e9 p\u0159i prov\u00e1d\u011bn\u00ed test\u016f. Krom\u011b toho byste m\u011bli potvrdit, \u017ee zm\u011bny proveden\u00e9 b\u011bhem tohoto procesu nevyvolaly nov\u00e9 probl\u00e9my.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-6\"><\/span><strong>Tip odborn\u00edka:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Regresn\u00ed testov\u00e1n\u00ed je v t\u00e9to f\u00e1zi kl\u00ed\u010dov\u00e9, proto\u017ee proces ETL je slo\u017eit\u00fd a vz\u00e1jemn\u011b propojen\u00fd. Jedna oprava m\u016f\u017ee m\u00edt za n\u00e1sledek nezam\u00fd\u0161len\u00e9 a zcela neo\u010dek\u00e1van\u00e9 d\u016fsledky v cel\u00e9m procesu ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Zaverecne_zpravy\"><\/span><strong>#7. Z\u00e1v\u011bre\u010dn\u00e9 zpr\u00e1vy<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Z\u00e1v\u011bre\u010dn\u00e9 zpr\u00e1vy poskytuj\u00ed podrobn\u00e9 shrnut\u00ed procesu testov\u00e1n\u00ed ETL. Zd\u016frazn\u011bte oblasti \u00fasp\u011bchu a oblasti, kter\u00e9 vy\u017eaduj\u00ed dal\u0161\u00ed pr\u00e1ci. Nakonec vydejte celkov\u00fd verdikt o kvalit\u011b a spolehlivosti dat ETL.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-7\"><\/span><strong>Tip odborn\u00edka:  <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Va\u0161e z\u00e1v\u011bre\u010dn\u00e1 zpr\u00e1va nen\u00ed jen z\u00e1znamem. Dob\u0159e napsan\u00e9 a dob\u0159e strukturovan\u00e9 testovac\u00ed zpr\u00e1vy se stanou sou\u010d\u00e1st\u00ed produk\u010dn\u00ed dokumentace a pomohou zajistit neust\u00e1l\u00e9 zlep\u0161ov\u00e1n\u00ed a optimalizaci procesu ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Uzavirani_zprav\"><\/span><strong>#8. Uzav\u00edr\u00e1n\u00ed zpr\u00e1v<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Jakmile jsou zpr\u00e1vy doru\u010deny a pochopeny r\u016fzn\u00fdmi zainteresovan\u00fdmi stranami, mus\u00ed b\u00fdt form\u00e1ln\u011b p\u0159ijaty. Zpr\u00e1vy by m\u011bly obsahovat jasn\u00fd pl\u00e1n pro v\u0161echny polo\u017eky, kter\u00e9 je t\u0159eba vy\u0159e\u0161it, nebo dal\u0161\u00ed opat\u0159en\u00ed, kter\u00e1 je t\u0159eba p\u0159ijmout.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tip_odbornika-8\"><\/span><strong>Tip odborn\u00edka:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Uzav\u0159en\u00ed sestav je sice v\u00fdrazn\u00fdm znamen\u00edm, \u017ee proces ETL dos\u00e1hl p\u0159ijateln\u00e9 \u00farovn\u011b, ale je t\u0159eba si uv\u011bdomit, \u017ee tato pr\u00e1ce nen\u00ed nikdy skute\u010dn\u011b dokon\u010dena. Neust\u00e1l\u00e9 zlep\u0161ov\u00e1n\u00ed a reakce na zm\u011bny zdrojov\u00fdch dat, hardwaru nebo dokonce vyv\u00edjej\u00edc\u00edch se obchodn\u00edch pravidel znamenaj\u00ed, \u017ee jak\u00e1koli akceptace je jen miln\u00edkem v prob\u00edhaj\u00edc\u00edm procesu.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Vypis_transformovat_testovani_zateze\"><\/span><strong>V\u00fdpis transformovat testov\u00e1n\u00ed z\u00e1t\u011b\u017ee<\/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=\"Anal\u00fdza hrani\u010dn\u00edch hodnot (BVA) - typy, proces, n\u00e1stroje a dal\u0161\u00ed!\" 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>Komplexn\u00ed proces testov\u00e1n\u00ed ETL je nezbytn\u00fd pro t\u00fdmy a produkty, kter\u00e9 se spol\u00e9haj\u00ed na anal\u00fdzu dat. Pod\u00edvejme se na v\u00fdhody, kter\u00e9 m\u016f\u017eete z\u00edskat, kdy\u017e se rozhodnete pro testov\u00e1n\u00ed ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Presnost_a_integrita_dat\"><\/span><strong>1. P\u0159esnost a integrita dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Z\u00e1kladn\u00edm konceptem validace ETL je zaji\u0161t\u011bn\u00ed \u010dist\u00fdch a spolehliv\u00fdch dat do datov\u00e9ho skladu. Spr\u00e1vn\u00fd p\u0159\u00edstup k testov\u00e1n\u00ed ETL znamen\u00e1:<\/p>\n<ul>\n<li>B\u011bhem extrakce nep\u0159ijdete o data<\/li>\n<li>Va\u0161e transformace neobsahuj\u00ed chyby<\/li>\n<li>Data se do c\u00edlov\u00e9ho syst\u00e9mu dostanou tak, jak jste zam\u00fd\u0161leli.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Uspora_casu_a_penez\"><\/span><strong>2. \u00daspora \u010dasu a pen\u011bz<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Testov\u00e1n\u00ed ETL datov\u00e9ho skladu je d\u016fle\u017eit\u00e9, proto\u017ee v\u010das odhal\u00ed chyby. Je mnohem \u017e\u00e1douc\u00ed identifikovat a odstranit probl\u00e9my s daty v\u010das, ne\u017e je \u0159e\u0161it, kdy\u017e u\u017e k\u016f\u0148 utekl ze st\u00e1je. Podle spole\u010dnosti Gartner<a href=\"https:\/\/www.gartner.com\/smarterwithgartner\/how-to-improve-your-data-quality\"> stoj\u00ed<\/a> nekvalitn\u00ed<a href=\"https:\/\/www.gartner.com\/smarterwithgartner\/how-to-improve-your-data-quality\"> data t\u00fdmy v pr\u016fm\u011bru 13 milion\u016f dolar\u016f ro\u010dn\u011b<\/a>. Za\u010dn\u011bte s testov\u00e1n\u00edm ETL v\u010das a u\u0161et\u0159\u00edte \u010das i pen\u00edze.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Vykonnost\"><\/span><strong>3. V\u00fdkonnost<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0160patn\u00e9 procesy ETL mohou brzdit va\u0161e datov\u00e9 syst\u00e9my a sni\u017eovat kvalitu va\u0161ich anal\u00fdz, reportov\u00e1n\u00ed a rozhodov\u00e1n\u00ed. Dobr\u00fd proces testov\u00e1n\u00ed ETL v\u00e1m pom\u016f\u017ee udr\u017eet se na spr\u00e1vn\u00e9 cest\u011b t\u00edm, \u017ee identifikuje \u00fazk\u00e1 m\u00edsta v datech a dal\u0161\u00ed oblasti, kter\u00e9 je t\u0159eba zlep\u0161it.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Dodrzovani_predpisu\"><\/span><strong>4. Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pro finan\u010dn\u00ed instituce a poskytovatele zdravotn\u00ed p\u00e9\u010de plat\u00ed p\u0159\u00edsn\u00e1 pravidla spr\u00e1vy dat. Nespr\u00e1vn\u00e9 zach\u00e1zen\u00ed s daty a jejich spr\u00e1va mohou v\u00e9st k odebr\u00e1n\u00ed licence nebo k vysok\u00fdm pokut\u00e1m. Testov\u00e1n\u00ed ETL v\u00e1m pom\u016f\u017ee zajistit, abyste dodr\u017eeli p\u0159edpisy a chr\u00e1nili citliv\u00e9 informace.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Lepsi_rozhodovani\"><\/span><strong>5. Lep\u0161\u00ed rozhodov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u010c\u00edm p\u0159esn\u011bj\u0161\u00ed a spolehliv\u011bj\u0161\u00ed jsou va\u0161e data, t\u00edm jist\u011bj\u0161\u00ed si m\u016f\u017eete b\u00fdt p\u0159i rozhodov\u00e1n\u00ed zalo\u017een\u00e9m na datech. Testov\u00e1n\u00ed ETL zaji\u0161\u0165uje, \u017ee se m\u016f\u017eete spolehnout na to, \u017ee obsah va\u0161eho datov\u00e9ho skladu v\u00e1m poskytne informace, kter\u00e9 pot\u0159ebujete ke spr\u00e1vn\u00fdm krok\u016fm.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Problemy_spojene_s_testovanim_ETL\"><\/span><strong>Probl\u00e9my spojen\u00e9 s testov\u00e1n\u00edm 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=\"V\u00fdzvy-testov\u00e1n\u00ed-zat\u00ed\u017een\u00ed\" width=\"426\" height=\"284\"><\/p>\n<p>Zaji\u0161t\u011bn\u00ed dobr\u00e9ho stavu datov\u00e9ho potrub\u00ed je z\u00e1sadn\u00ed, ale je spojeno s n\u011bkter\u00fdmi slo\u017eitostmi. Prozkoumejme v\u00fdzvy spojen\u00e9 s d\u016fkladnou kontrolou kvality dat ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Objem_a_slozitost_dat\"><\/span><strong>1. Objem a slo\u017eitost dat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Dobr\u00fd proces testov\u00e1n\u00ed ETL znamen\u00e1 pr\u00e1ci s velk\u00fdmi objemy r\u016fzn\u00fdch typ\u016f dat, od strukturovan\u00fdch po nestrukturovan\u00e9. Tato r\u016fznorodost dat se m\u016f\u017ee rychle st\u00e1t slo\u017eitou a obt\u00ed\u017en\u011b spravovatelnou.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Zavislost_na_zdrojovem_systemu\"><\/span><strong>2. Z\u00e1vislost na zdrojov\u00e9m syst\u00e9mu<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Jak jsme ji\u017e uvedli v\u00fd\u0161e, testov\u00e1n\u00ed ETL spo\u010d\u00edv\u00e1 v zaji\u0161t\u011bn\u00ed bezprobl\u00e9mov\u00e9ho pr\u016fb\u011bhu mezi zdroji a c\u00edli. Kvalita v\u00fdstupu je v\u0161ak do zna\u010dn\u00e9 m\u00edry z\u00e1visl\u00e1 na kvalit\u011b vstupu. Zm\u011bny ve zdrojov\u00e9m v\u00fdstupn\u00edm sch\u00e9matu, form\u00e1tu nebo kvalit\u011b mohou zp\u016fsobit selh\u00e1n\u00ed test\u016f ETL, kter\u00e9 nen\u00ed v\u017edy snadn\u00e9 diagnostikovat.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Slozitost_transformace\"><\/span><strong>3. Slo\u017eitost transformace<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vytv\u00e1\u0159en\u00ed logiky pro transformace dat je odborn\u00e1 z\u00e1le\u017eitost. Pou\u017eit\u00ed obchodn\u00edch pravidel a \u010di\u0161t\u011bn\u00ed nebo p\u0159eform\u00e1tov\u00e1n\u00ed dat je slo\u017eit\u00e9 a ov\u011b\u0159en\u00ed kvality t\u011bchto transformac\u00ed nen\u00ed v\u017edy snadn\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Posouvani_pozadavku\"><\/span><strong>4. Posouv\u00e1n\u00ed po\u017eadavk\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u0161ichni teste\u0159i znaj\u00ed bolest z rychle se vyv\u00edjej\u00edc\u00edch obchodn\u00edch po\u017eadavk\u016f. Proces ETL je dynamick\u00fd prostor a stejn\u011b tak i testov\u00e1n\u00ed ETL. S aktualizac\u00ed a zm\u011bnami obchodn\u00edch rol\u00ed mus\u00ed teste\u0159i p\u0159izp\u016fsobovat testovac\u00ed p\u0159\u00edpady a zaji\u0161\u0165ovat optimalizaci v\u00fdkonu datab\u00e1ze.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Omezeni_testovaciho_prostredi\"><\/span><strong>5. Omezen\u00ed testovac\u00edho prost\u0159ed\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Provozov\u00e1n\u00ed plnohodnotn\u00e9ho produk\u010dn\u00edho prost\u0159ed\u00ed pro testov\u00e1n\u00ed ETL je slo\u017eit\u00e9 a n\u00e1kladn\u00e9. Testovac\u00ed prost\u0159ed\u00ed men\u0161\u00edho rozsahu v\u0161ak ne v\u017edy poskytuj\u00ed skute\u010dnou validaci, proto\u017ee nekop\u00edruj\u00ed zp\u016fsob, jak\u00fdm m\u016f\u017ee manipulace s obrovsk\u00fdmi objemy dat v\u00e9st k v\u00fdkonnostn\u00edm probl\u00e9m\u016fm.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Tipy_a_osvedcene_postupy_ETL\"><\/span><strong>Tipy a osv\u011bd\u010den\u00e9 postupy 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=\"Kontroln\u00ed seznam pro testov\u00e1n\u00ed softwaru\" width=\"412\" height=\"274\"><\/p>\n<p>Zvl\u00e1dnut\u00ed testov\u00e1n\u00ed ETL vy\u017eaduje \u010das. Zde je n\u011bkolik tip\u016f, kter\u00e9 v\u00e1m pomohou na va\u0161\u00ed cest\u011b.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Prubezne_testovani\"><\/span><strong>#1. Pr\u016fb\u011b\u017en\u00e9 testov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Testov\u00e1n\u00ed ETL nen\u00ed jednor\u00e1zov\u00e1 z\u00e1le\u017eitost. Je to v\u00fdhled na zaji\u0161t\u011bn\u00ed kvalitn\u00ed datov\u00e9 z\u00e1kladny, kter\u00fd je t\u0159eba prov\u00e1d\u011bt a pr\u016fb\u011b\u017en\u011b sledovat. Ve firm\u00e1ch, kter\u00e9 se spol\u00e9haj\u00ed na n\u00e1stroje business intelligence, je tester ETL QA zam\u011bstn\u00e1n na pln\u00fd \u00favazek z ur\u010dit\u00e9ho d\u016fvodu.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Zadny_tester_ETL_neni_ostrov\"><\/span><strong>#2. \u017d\u00e1dn\u00fd tester ETL nen\u00ed ostrov<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zat\u00edmco testov\u00e1n\u00ed ETL prob\u00edh\u00e1 na principu &#8222;\u010dern\u00e9 sk\u0159\u00ed\u0148ky&#8220;, in\u017een\u00fd\u0159i zaji\u0161\u0165uj\u00edc\u00ed kvalitu ETL by m\u011bli spolupracovat se z\u00fa\u010dastn\u011bn\u00fdmi stranami, spr\u00e1vci datab\u00e1z\u00ed a v\u00fdvoj\u00e1\u0159i, kte\u0159\u00ed vytv\u00e1\u0159ej\u00ed logiku ETL, pokud cht\u011bj\u00ed navrhnout smyslupln\u00e9 testy, kter\u00e9 skute\u010dn\u011b ov\u011b\u0159\u00ed proces ETL.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Pevna_dokumentace_je_velmi_dulezita\"><\/span><strong>#3. Pevn\u00e1 dokumentace je velmi d\u016fle\u017eit\u00e1.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0158\u00e1dn\u00e1 a podrobn\u00e1 dokumentace, v\u010detn\u011b mapov\u00e1n\u00ed mezi zdroji a c\u00edli a z\u00e1znam\u016f o p\u016fvodu dat, je z\u00e1sadn\u00ed pro ur\u010den\u00ed, kde se v datov\u00e9m potrub\u00ed objevily chyby.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Co_nejvice_automatizovat\"><\/span><strong>#4. Co nejv\u00edce automatizovat<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To je mo\u017en\u00e1 nejd\u016fle\u017eit\u011bj\u0161\u00ed bod. Komplexn\u00ed testov\u00e1n\u00ed ETL je n\u00e1ro\u010dn\u00e9 na zdroje. Jedn\u00e1 se tak\u00e9 o pr\u016fb\u011b\u017en\u00fd proces, co\u017e znamen\u00e1, \u017ee vy\u017eaduje mnoho ru\u010dn\u00edho \u00fasil\u00ed v pravideln\u00fdch intervalech. Testov\u00e1n\u00ed ETL je proto ide\u00e1ln\u00ed \u00falohou pro software pro automatizaci testov\u00e1n\u00ed a <a href=\"https:\/\/www.zaptest.com\/cs\/kompletni-pruvodce-robotickou-automatizaci-procesu-rpa\">n\u00e1stroje RPA.<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Nejlepsi_nastroje_pro_automatizaci_testovani_ETL\"><\/span><strong>Nejlep\u0161\u00ed n\u00e1stroje pro automatizaci testov\u00e1n\u00ed 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 + sada pro automatizaci testov\u00e1n\u00ed\" 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>Nyn\u00ed by ji\u017e m\u011blo b\u00fdt jasn\u00e9, \u017ee automatick\u00e9 testov\u00e1n\u00ed ETL p\u0159edstavuje pro testovac\u00ed t\u00fdmy v\u00fdznamnou v\u00fdhodu, pokud jde o maxim\u00e1ln\u00ed vyu\u017eit\u00ed zdroj\u016f.<\/p>\n<p>Na\u0161t\u011bst\u00ed je na trhu n\u011bkolik kvalitn\u00edch n\u00e1stroj\u016f pro testov\u00e1n\u00ed ETL. Ka\u017ed\u00fd n\u00e1stroj m\u00e1 sv\u00e9 klady a z\u00e1pory, vlastnosti a funkce, kter\u00e9 vyhovuj\u00ed r\u016fzn\u00fdm po\u017eadavk\u016fm.<\/p>\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9ho n\u00e1stroje z\u00e1vis\u00ed na n\u011bkolika r\u016fzn\u00fdch faktorech, mezi kter\u00e9 pat\u0159\u00ed:<\/p>\n<ul>\n<li>Slo\u017eitost procesu ETL a obchodn\u00ed logiky<\/li>\n<li>Objem p\u0159en\u00e1\u0161en\u00fdch dat<\/li>\n<li>P\u0159\u00edtomnost nebo koncentrace nestrukturovan\u00fdch dat v procesu ETL<\/li>\n<li>Technick\u00e9 schopnosti a dovednosti va\u0161ich tester\u016f<\/li>\n<li>V\u00e1\u0161 rozpo\u010det.<\/li>\n<\/ul>\n<p>Pod\u00edvejme se na 5 nejlep\u0161\u00edch n\u00e1stroj\u016f pro testov\u00e1n\u00ed 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>QuerySurge je testovac\u00ed n\u00e1stroj ETL zalo\u017een\u00fd na p\u0159edplatn\u00e9m s d\u016frazem na pr\u016fb\u011b\u017en\u00e9 testov\u00e1n\u00ed. Podporuje kombinace zdrojov\u00fdch a c\u00edlov\u00fdch datab\u00e1z\u00ed, nab\u00edz\u00ed rozs\u00e1hl\u00e9 mo\u017enosti automatizace a je vytvo\u0159en pro pot\u0159eby rozs\u00e1hl\u00fdch a komplexn\u00edch datov\u00fdch sklad\u016f.<\/p>\n<p>U\u017eivatelsk\u00e9 rozhran\u00ed je p\u0159\u00edjemn\u00e9 na ovl\u00e1d\u00e1n\u00ed a jeho mo\u017enosti reportov\u00e1n\u00ed jsou vynikaj\u00edc\u00ed. N\u011bkte\u0159\u00ed u\u017eivatel\u00e9 si v\u0161ak st\u011b\u017euj\u00ed na drah\u00e9 a nep\u0159ehledn\u00e9 ceny QuerySurge, zat\u00edmco jin\u00ed kritizuj\u00ed jeho nedostate\u010dnou u\u017eivatelskou p\u0159\u00edv\u011btivost a strmou k\u0159ivku u\u010den\u00ed pro nezku\u0161en\u00e9 u\u017eivatele.<\/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>iCEDQ je n\u00e1stroj pro testov\u00e1n\u00ed a sledov\u00e1n\u00ed kvality dat. Nab\u00edz\u00ed testov\u00e1n\u00ed zalo\u017een\u00e9 na pravidlech a zaj\u00edmavou detekci chyb pomoc\u00ed ML. Sledov\u00e1n\u00ed, reportov\u00e1n\u00ed a vizualizace jsou pro iCEDQ obzvl\u00e1\u0161t\u011b siln\u00fdmi str\u00e1nkami, co\u017e z n\u011bj \u010din\u00ed vhodn\u00fd n\u00e1stroj pro firmy s kritick\u00fdmi pot\u0159ebami v oblasti dodr\u017eov\u00e1n\u00ed dat a regulac\u00ed.<\/p>\n<p>P\u0159esto je implementace n\u00e1stroje do slo\u017eit\u00fdch prost\u0159ed\u00ed ETL jednou z nejv\u00fdznamn\u011bj\u0161\u00edch nev\u00fdhod iCEDQ. Krom\u011b toho je u\u017eivatelsk\u00e9 rozhran\u00ed pom\u011brn\u011b slo\u017eit\u00e9 a nebude vyhovovat m\u00e9n\u011b technick\u00fdm t\u00fdm\u016fm.<\/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>RightData je u\u017eivatelsky p\u0159\u00edv\u011btiv\u00fd n\u00e1stroj, kter\u00fd se m\u016f\u017ee pochlubit rozs\u00e1hl\u00fdmi mo\u017enostmi testov\u00e1n\u00ed ETL i validace dat bez pou\u017eit\u00ed k\u00f3du. N\u00e1stroj je velmi flexibiln\u00ed a funguje v r\u016fzn\u00fdch datab\u00e1z\u00edch a cloudov\u00fdch datov\u00fdch skladech. D\u00edky \u0159ad\u011b p\u0159edp\u0159ipraven\u00fdch \u0161ablon test\u016f, vynikaj\u00edc\u00edm mo\u017enostem vizualizace a bezprobl\u00e9mov\u00e9 integraci s n\u00e1stroji pro pracovn\u00ed postupy je jasn\u00e9, pro\u010d si RightData v posledn\u00edch letech z\u00edskala oblibu.<\/p>\n<p>P\u0159esto\u017ee m\u00e1 RightData mnoho \u017e\u00e1douc\u00edch vlastnost\u00ed, m\u016f\u017ee b\u00fdt n\u00e1kladn\u00e1, pokud pot\u0159ebujete testovat velk\u00e9 mno\u017estv\u00ed proces\u016f ETL. A\u010dkoli se jedn\u00e1 o p\u0159edplatn\u00e9, ceny se mohou rychle zvy\u0161ovat p\u0159i vysok\u00e9m vyu\u017eit\u00ed dat a dal\u0161\u00edch funkc\u00ed. Ve srovn\u00e1n\u00ed s p\u0159edv\u00eddateln\u00fdm modelem pau\u0161\u00e1ln\u00edch cen a neomezen\u00fdmi licencemi spole\u010dnosti ZAPTEST se zd\u00e1, \u017ee p\u0159\u00edstup spole\u010dnosti RightData znev\u00fdhod\u0148uje rostouc\u00ed nebo roz\u0161i\u0159uj\u00edc\u00ed se spole\u010dnosti.<\/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>BiG EVAL je skv\u011blou volbou pro komplexn\u00ed syst\u00e9my ETL a star\u0161\u00ed implementace sklad\u016f. Pou\u017e\u00edv\u00e1 validaci dat na z\u00e1klad\u011b pravidel a m\u00e1 v\u00fdkonn\u00e9 funkce profilov\u00e1n\u00ed dat, co\u017e z n\u011bj \u010din\u00ed dobrou volbu pro testov\u00e1n\u00ed ETL. BiG EVAL tak\u00e9 poskytuje u\u017eivatel\u016fm skv\u011bl\u00e9 mo\u017enosti automatizace pro navrhov\u00e1n\u00ed a pl\u00e1nov\u00e1n\u00ed test\u016f a v kombinaci s vynikaj\u00edc\u00edmi mo\u017enostmi reportov\u00e1n\u00ed a vizualizace se \u0159ad\u00ed mezi nejkomplexn\u011bj\u0161\u00ed n\u00e1stroje pro testov\u00e1n\u00ed ETL.<\/p>\n<p>Implementace syst\u00e9mu BiG EVAL je v\u0161ak je\u0161t\u011b v\u011bt\u0161\u00ed pr\u00e1ce. Ve srovn\u00e1n\u00ed s n\u00e1stroji bez k\u00f3du, jako je ZAPTEST, m\u016f\u017ee rozhran\u00ed p\u016fsobit trochu starom\u00f3dn\u011b. Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee testov\u00e1n\u00ed ETL je pouze jedn\u00edm z p\u0159\u00edpad\u016f pou\u017eit\u00ed n\u00e1stroje BiG EVAL, tak\u017ee jeho cena zalo\u017een\u00e1 na licenci m\u016f\u017ee b\u00fdt pro n\u011bkter\u00e9 t\u00fdmy ne\u00fanosn\u00e1, pokud plat\u00edte za funkce a vlastnosti, kter\u00e9 nezbytn\u011b nepot\u0159ebujete.<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"1_ZAPTEST_Volba_cislo_1_pro_testovani_ETL\"><\/span><strong>#1. ZAPTEST: Volba \u010d\u00edslo 1 pro testov\u00e1n\u00ed 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><a href=\"https:\/\/www.zaptest.com\/cs\">ZAPTEST<\/a> sice nen\u00ed specializovan\u00fd n\u00e1stroj pro testov\u00e1n\u00ed ETL, ale nab\u00edz\u00ed flexibilitu a \u0161k\u00e1lovatelnost, kter\u00e9 pom\u00e1haj\u00ed s n\u011bkolika \u00fakoly, z nich\u017e se skl\u00e1d\u00e1 d\u016fkladn\u00e9 testov\u00e1n\u00ed ETL.<\/p>\n<p>Jak je patrn\u00e9 z v\u00fd\u0161e uveden\u00e9 \u010d\u00e1sti R\u016fzn\u00e9 typy testov\u00e1n\u00ed ETL, testov\u00e1n\u00ed procesu ETL vy\u017eaduje ov\u011b\u0159en\u00ed dat, integraci, v\u00fdkonnost, funk\u010dnost a regresn\u00ed testov\u00e1n\u00ed. ZAPTEST toto v\u0161echno a je\u0161t\u011b v\u00edce um\u00ed. Na\u0161e n\u00e1stroje <a href=\"https:\/\/www.zaptest.com\/cs\/testovani-od-konce-ke-konci-hluboky-ponor-do-typu-testu-e2e-procesu-pristupu-nastroju-a-dalsiho\">End-to-End Testing<\/a> a Metadata Testing jsou kl\u00ed\u010dov\u00fdmi funkcemi, kter\u00e9 zaji\u0161\u0165uj\u00ed, \u017ee va\u0161e analytika a business intelligence jsou v po\u0159\u00e1dku a p\u0159ipraveny poskytovat v\u00fdsledky a hodnotu.<\/p>\n<p>ZAPTEST je tak\u00e9 vybaven jedn\u00edm z<a href=\"https:\/\/www.zaptest.com\/cs\/nastroje-rpa-top-31-nejlepsi-software-pro-robotickou-automatizaci-procesu-na-trhu\"> nejlep\u0161\u00edch n\u00e1stroj\u016f RPA na trhu<\/a>. V kontextu testov\u00e1n\u00ed ETL m\u016f\u017ee RPA p\u0159in\u00e9st velkou hodnotu, proto\u017ee generuje realistick\u00e1 testovac\u00ed data, automatizuje opakuj\u00edc\u00ed se manu\u00e1ln\u00ed \u00falohy a pom\u00e1h\u00e1 v\u00e1m zav\u00e9st pr\u016fb\u011b\u017en\u00e9 testov\u00e1n\u00ed, kter\u00e9 pot\u0159ebujete pro spolehliv\u00fd proces ETL.<\/p>\n<p>D\u00edky tomu, \u017ee ZAPTET nepot\u0159ebuje \u017e\u00e1dn\u00fd k\u00f3d, bleskov\u011b vytv\u00e1\u0159\u00ed testy a je bezprobl\u00e9mov\u011b integrov\u00e1n s dal\u0161\u00edmi podnikov\u00fdmi n\u00e1stroji, p\u0159edstavuje komplexn\u00ed \u0159e\u0161en\u00ed pro automatizovan\u00e9 testov\u00e1n\u00ed ETL a mnoho dal\u0161\u00edho.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Zaverecne_myslenky\"><\/span><strong>Z\u00e1v\u011bre\u010dn\u00e9 my\u0161lenky<\/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>Testov\u00e1n\u00ed z\u00e1t\u011b\u017ee transformace extraktu je jako z\u0159\u00edzen\u00ed odd\u011blen\u00ed kontroly kvality pro v\u00e1\u0161 datov\u00fd sklad. Nejde jen o to, zda byla data p\u0159enesena ze zdroje do c\u00edle, ale tak\u00e9 o to, zda byla p\u0159enesena neporu\u0161en\u00e1 a v souladu s o\u010dek\u00e1v\u00e1n\u00edm.<\/p>\n<p>Pokud m\u00e1te \u0161patn\u00e9 \u00fadaje, budete se v kritick\u00e9 situaci rozhodovat \u0161patn\u011b. Spr\u00e1vn\u00e9 testov\u00e1n\u00ed ETL je investic\u00ed do integrity cel\u00e9ho datov\u00e9ho ekosyst\u00e9mu. Pro mnoho podnik\u016f je v\u0161ak \u010das a n\u00e1klady spojen\u00e9 s testov\u00e1n\u00edm ETL n\u011bco, co si nemohou dovolit.<\/p>\n<p>Automatizace testov\u00e1n\u00ed ETL v\u00e1m pom\u016f\u017ee testovat rychleji a efektivn\u011bji a z\u00e1rove\u0148 dlouhodob\u011b u\u0161et\u0159it pen\u00edze. Zv\u00fd\u0161en\u00ed pokryt\u00ed test\u016f a mo\u017enost\u00ed regresn\u00edho testov\u00e1n\u00ed m\u016f\u017ee pomoci zv\u00fd\u0161it integritu dat, proto\u017ee m\u016f\u017eete testovat mnohem \u010dast\u011bji, ne\u017e kdybyste z\u016fstali u <a href=\"https:\/\/www.zaptest.com\/cs\/manualni-testovani-co-to-je-typy-postupy-pristupy-nastroje-a-dalsi\">manu\u00e1ln\u00edho testov\u00e1n\u00ed. <\/a> <\/p>\n<p>Pou\u017eit\u00ed n\u00e1stroj\u016f pro automatick\u00e9 testov\u00e1n\u00ed ETL nav\u00edc sni\u017euje po\u010det lidsk\u00fdch chyb a uvol\u0148uje tester\u016fm m\u00edsto pro kreativn\u011bj\u0161\u00ed \u00fakoly nebo \u00fakoly zam\u011b\u0159en\u00e9 na hodnotu. P\u0159ijet\u00ed <a href=\"https:\/\/www.zaptest.com\/rpa\">n\u00e1stroj\u016f pro<\/a> <a href=\"https:\/\/www.zaptest.com\/cs\/co-je-automatizace-testovani-jednoduchy-pruvodce-bez-zargonu\">automatizaci testov\u00e1n\u00ed<\/a> a <a href=\"https:\/\/www.zaptest.com\/rpa\">RPA,<\/a> jako je ZAPTEST, je jedn\u00edm z rozhodnut\u00ed, kter\u00e9 nebudete muset prov\u00e1d\u011bt prost\u0159ednictv\u00edm n\u00e1stroj\u016f business intelligence.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Testov\u00e1n\u00ed Extract Transform Load &#8211; nej\u010dast\u011bji ozna\u010dovan\u00e9 jako testov\u00e1n\u00ed ETL &#8211; je kl\u00ed\u010dov\u00fdm n\u00e1strojem ve sv\u011bt\u011b modern\u00ed business intelligence a datov\u00e9 analytiky. T\u00fdmy mus\u00ed shroma\u017e\u010fovat data z r\u016fzn\u00fdch zdroj\u016f, aby je mohly ukl\u00e1dat do datov\u00fdch sklad\u016f nebo je p\u0159ipravit pro n\u00e1stroje business intelligence, kter\u00e9 jim pomohou p\u0159i kvalitn\u00edm rozhodov\u00e1n\u00ed nebo z\u00edsk\u00e1v\u00e1n\u00ed informac\u00ed. Testov\u00e1n\u00ed ETL pom\u00e1h\u00e1 [&hellip;]<\/p>\n","protected":false},"author":14624,"featured_media":77378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Testov\u00e1n\u00ed ETL - typy, proces, p\u0159\u00edstupy, n\u00e1stroje a dal\u0161\u00ed!","_seopress_titles_desc":"Od pochopen\u00ed toho, co je to Extract-Transform-Load, p\u0159es 8 f\u00e1z\u00ed testov\u00e1n\u00ed ETL a\u017e po 8 odborn\u00fdch tip\u016f a nejlep\u0161\u00ed n\u00e1stroje ETL - dozv\u00edte se v\u0161e, co pot\u0159ebujete v\u011bd\u011bt o 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":[454],"tags":[],"class_list":{"0":"post-77329","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-typy-testovani-softwaru-cs"},"acf":{"short_name":"Testov\u00e1n\u00ed ETL"},"_links":{"self":[{"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/posts\/77329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/users\/14624"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/comments?post=77329"}],"version-history":[{"count":1,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/posts\/77329\/revisions"}],"predecessor-version":[{"id":77380,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/posts\/77329\/revisions\/77380"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/media\/77378"}],"wp:attachment":[{"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/media?parent=77329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/categories?post=77329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zaptest.com\/cs\/wp-json\/wp\/v2\/tags?post=77329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}