SQL is a great language to learn. It's used quite often and a lot of database systems have also been trying to adapt SQL to their own language because that is where the largest user base is. I learned it quite a while back so I know how to write queries but optimization tends to be the more annoying part.
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Yes, I don't like optimization part either.
Lol! I am performance engineer. Recently tuned a Sql that is getting timed out in Production after 3 hours to 16 minute. But it require lot of patience, time and keep testing the approach.
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