SQL Cards
Teach and learn SQL with cards
竞品与替代品
WordsTool
Teach and learn words with custom word cards and exercises
Notion SQL Learning
Learn SQL the fast way, with Notion SQL Learning
SQL Police Department
Learn SQL while solving crimes! Climb the ranks of SQL PD.
AskYourDatabase
Chat with your database using natural language, no SQL needed.
Next-Level Database Techniques For Devs
Learn secret SQL features to become a database wizard