Sqlectron [1] is a great open-source GUI SQL client that allows you to see what you're doing in real-time, which helps massively with practising. You can also

Sqlectron [1] is a great open-source GUI SQL client that allows you to see what you're doing in real-time, which helps massively with practising. You can also use it to validate what you've done using other tools. E.g. if you write some PHP or Python to interact with a database, you can open it in Sqlectron to double-check for yourself that it worked correctly. [1] https://sqlectron.github.io/ https://sqlectron.github.io/