Missing Translation: SQL - Cheat Sheet

[Datenschmutz]

Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Description

German file was created in appropriate folder and only needs to be translated.
https://github.com/datenschmutz/docs/tree/main/i18n/de/docusaurus-plugin-content-docs-cheat-sheets/current/sql.md

Self-service

• I'd be willing to address this documentation request myself.