Postgres Series #30 – GROUP BY explained visually (Dividing rows into categories)
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YouTubeInno Sufiyan
Postgres Series #30 – GROUP BY explained visually (Dividing rows into categories)
In Postgres Series #30, we focus on understanding the core idea behind GROUP BY. Instead of memorizing queries, we explain how SQL divides rows into categories when using GROUP BY. In this video, we cover: What GROUP BY really does How rows are divided into categories Visual explanation of grouped data Combining GROUP BY with aggregate ...
43 views2 months ago
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