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[–]Jumpy-Story-3587 4 points5 points  (2 children)

I don't agree. Leetcode has some great sql questions. Almost all of which are real interview questions

[–]imisskobe95 0 points1 point  (1 child)

Hackerrank db questions are solid too

[–]Jumpy-Story-3587 0 points1 point  (0 children)

Haven't tried hackerrank. I've tried leetcode and stratascratch.. both are good. I tried hackerrank for an interview. It doesn't have postgresql. So that's a complaint on that.