SQL Advanced #5 - Data Quality
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YouTubeOneDataWizard
SQL Advanced #5 - Data Quality
In this quick lesson, you’ll learn three practical techniques every analyst and data engineer should know: how to handle NULLs, how to remove duplicates, and how to write validation queries to catch bad data. #dataquality #sql #datacleaning #dataanalytics #dataengineering #learnsql
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