# Grouping Aggregations

How GROUP BY returns one aggregate row per group, and how HAVING filters those groups where WHERE filters rows.

![Cheat sheet: Grouping Aggregations](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/724725c092214cf2a699cb2bc7c6eb03.webp)

- Category: SQL
- Level: Journeyman
- Tags: mysql, sql
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/aggregate-functions-grouping-aggregations-cheat-sheet