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If you'd like to gamify the process, I recommend CodeWars[0] They give you challenges that progressively get harder. You can choose from many different languag
by amingilani 8y ago
If you'd like to gamify the process, I recommend CodeWars[0]
They give you challenges that progressively get harder. You can choose from many different languages but SQL is one of them. I'm not affiliated with them, but I used them for a few months to get incredibly good with Ruby.
[0]: referral link: www.codewars.com/r/EbsMWQ