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How to Group By Two Columns in SQL and Calculate Average and Count Samples

How to Group By Two Columns in SQL and Calculate Average and Count Samples

Discover how to effectively use SQL to `group by two columns`, calculate averages, and count samples for your data with this simple guide. --- This video is based on the question https://stackoverflow.com/q/76761938/ asked by the user 'Tmiskiewicz' ( https://stackoverflow.com/u/9284651/ ) and on the answer https://stackoverflow.com/a/76762040 ...

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