# Common Sense Design

Plan a database from the questions it must answer, then split the data into tables of closely related columns, linked by primary and foreign keys.

![Cheat sheet: Common Sense Design](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/f458847b4a514cfc94daefc1a15849f0.webp)

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

Source: https://www.ask-codey.com/cheat-sheets/foundations-of-database-design-common-sense-design-cheat-sheet