I have taken HackerRank SQL (Intermediate) Certificate test on 10th November 2024. The Certificate can be viewed here. 2 Questions were asked, as of now 2 questions will be asked from these ...

SELECT C.Algorithm, Quarter(Dt) AS Quarter, SUM(Volume) AS V FROM coins C INNER JOIN transactions t ON t.coin_code = C.code WHERE Year(Dt) = 2020 GROUP BY C.Algorithm, Quarter(Dt) SELECT Q1.Algorithm, ...

Whether or not you’ve dabbled with queries or databases, earning a MCSA certification will attract the eyes and wallets of company execs across the states and beyond. SQL is a go-to software for ...