목록top earners (1)

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hackerrank Top Earners

1) salary * months = earnings 1-1) SELECT *, salary * months AS earnings FROM Employee 1-2) SELECT salary * months AS earnings FROM Employee GROUP BY earnings 1-3) SELECT salary * months AS earnings FROM Employee GROUP BY earnings ORDER BY earnings 1-4) SELECT salary * months AS earnings FROM Employee GROUP BY earnings ORDER BY earnings DESC 1-5) SELECT salary * months AS earnings FROM Employee ..
HackerRank/SQL 2021. 1. 17. 16:24
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