{"id":77335,"date":"2024-03-05T18:03:20","date_gmt":"2024-03-05T18:03:20","guid":{"rendered":"https:\/\/www.zaptest.com\/etl-profun-kafa-djupt-i-hvad-er-thad-gerdir-ferli-nalganir-verkfaeri-og-fleira"},"modified":"2024-03-05T21:13:24","modified_gmt":"2024-03-05T21:13:24","slug":"etl-profun-kafa-djupt-i-hvad-er-thad-gerdir-ferli-nalganir-verkfaeri-og-fleira","status":"publish","type":"post","link":"https:\/\/www.zaptest.com\/is\/etl-profun-kafa-djupt-i-hvad-er-thad-gerdir-ferli-nalganir-verkfaeri-og-fleira","title":{"rendered":"ETL pr\u00f3fun – kafa dj\u00fapt \u00ed hva\u00f0 er \u00fea\u00f0, ger\u00f0ir, ferli, n\u00e1lganir, verkf\u00e6ri og fleira!"},"content":{"rendered":"

Extract Transform Load pr\u00f3fun – oftast nefnd ETL pr\u00f3f – er mikilv\u00e6gt t\u00e6ki \u00ed heimi n\u00fat\u00edma vi\u00f0skiptagreindar og gagnagreininga.<\/p>\n

Teymi ver\u00f0a a\u00f0 safna g\u00f6gnum fr\u00e1 \u00f3l\u00edkum a\u00f0ilum svo a\u00f0 \u00feau geti geymt \u00feau \u00ed gagnageymslum e\u00f0a undirb\u00fai\u00f0 \u00feau fyrir vi\u00f0skiptagreindart\u00e6ki s\u00edn til a\u00f0 a\u00f0sto\u00f0a vi\u00f0 v\u00f6ndu\u00f0 \u00e1kvar\u00f0anat\u00f6ku e\u00f0a inns\u00fdn. ETL pr\u00f3fun hj\u00e1lpar til vi\u00f0 a\u00f0 tryggja a\u00f0 ferlar, g\u00f6gn og inns\u00fdn s\u00e9u allt til alls og tilb\u00fain til a\u00f0 sty\u00f0ja vi\u00f0 fyrirt\u00e6ki\u00f0.<\/p>\n

Vi\u00f0 skulum kanna hva\u00f0 Extract Transform Load pr\u00f3f er og hvernig \u00fea\u00f0 virkar \u00e1\u00f0ur en vi\u00f0 deilum nokkrum af mismunandi a\u00f0fer\u00f0um og verkf\u00e6rum sem \u00fe\u00fa getur nota\u00f0 fyrir ETL pr\u00f3f.<\/p>\n

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