# The CASE / WHEN Statement

How a CASE expression turns values into labels, such as HIGH or LOW, in a query's results.

![Cheat sheet: The CASE / WHEN Statement](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/cd0fbf49579f48ea866b3be3e7c568e4.webp)

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

Source: https://www.ask-codey.com/cheat-sheets/the-case-when-statement-cheat-sheet