> For the complete documentation index, see [llms.txt](https://notes.joeir.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.joeir.net/application-infrastructure/databases.md).

# Databases

- [MongoDB](https://notes.joeir.net/application-infrastructure/databases/mongodb.md)
- [MySQL](https://notes.joeir.net/application-infrastructure/databases/mysql.md)
- [PostgreSQL](https://notes.joeir.net/application-infrastructure/databases/postgresql.md)
- [Redis](https://notes.joeir.net/application-infrastructure/databases/redis.md)