What Does the OVER Clause Do? SQL Window Functions
1:36
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What Does the OVER Clause Do? SQL Window Functions
Learn what the OVER clause does in a SQL window function. This video explains how OVER defines a window of rows, how PARTITION BY and ORDER BY work inside it, and how window functions differ from GROUP BY — keeping every row in your output. Essential PostgreSQL knowledge for any SQL interview. Practice answering this question with AI feedback ...
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