There are so many sources to learn SQL on the internet
Here are some that I think teach in a cool and different way of learning SQL interactively or differently.
I hope to add more while I learn!
- Interactively learn SQL through a story - https://www.executeprogram.com/
- Quick reference cheat sheet - https://learnxinyminutes.com/docs/sql/
- Solve a murder mystery and learn SQL while doing it! http://mystery.knightlab.com/
- Learning Postgres through exercises, multiple tables beginner to expert. - https://pgexercises.com/
- Learn SQL Interactively through multiple exercises - https://sqlbolt.com/
- Exercises @b0rk have been working on about learning SQL