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Roadmap to becoming a developer in 2022
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developer-roadmap/src/data/roadmaps/postgresql-dba/content/grouping@uwd_CaeHQQ3ZWojbmt...

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Grouping

Grouping is a powerful technique in SQL that allows you to organize and aggregate data based on common values in one or more columns. The GROUP BY clause is used to create groups, and the HAVING clause is used to filter the group based on certain conditions.

Learn more from the following resources: