# Snake Case

All letters are lower case, each word is separated by an underscore.

## What is **Snake Case**?

**snake_case** 

A naming convention that generally has only letters. All letters are lower case. Each word is separated by an underscore.

It is a common naming convention used in programming languages like python, databases (Postgres, MySQL), and in naming files and folders.

Level: Novice · [More Database terms at this level](https://www.ask-codey.com/glossary/subjects/database/novice)

Updated: September 19, 2026

Source: https://www.ask-codey.com/glossary/snake-case