| Link | Description | Added by |
|---|---|---|
| https://mystery.knightlab.com/ | SQL Murder Mystery | @jennroid |
| https://seldo.com/posts/databases_how_they_work_and_a_brief_history | How databases work | @oliverjam |
| https://www.postgresqltutorial.com/ | PostgresQL tutorials | @khadija-nur |
| https://lornajane.net/posts/2016/the-returning-keyword-in-postgresql | The RETURNING keyword in PostgreSQL | @Jack |