I've found the leetcode[1] database problems have helped me quite a lot - especially to see different ways of solving problems and how to do things in SQL that

I've found the leetcode[1] database problems have helped me quite a lot - especially to see different ways of solving problems and how to do things in SQL that you didn't know you could. 1. https://leetcode.com/problemset/database/ https://leetcode.com/problemset/database/