[self plug] Take a look at https://pgexercises.com/ https://pgexercises.com/ . It's a learn-by-doing set of SQL exercises. Focused on Postgres, but the large ma

[self plug] Take a look at https://pgexercises.com/ https://pgexercises.com/ . It's a learn-by-doing set of SQL exercises. Focused on Postgres, but the large majority is standard SQL.