Getting the latest row per group in SQL: stop using subqueries, use QUALIFY
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How to select the most recent record for each group with ROW_NUMBER and QUALIFY, and why the usual MAX join quietly returns duplicates

 

 How to select the most recent record for each group with ROW_NUMBER and QUALIFY, and why the usual MAX join quietly returns duplicatesContinue reading on Medium » Read More Sql on Medium 

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By ali