This advanced SQL exercise is part of the book: Advanced SQL – Practical Techniques and Use-Cases, which includes 100 day-to-day SQL challenges (and solutions), need-to-know advanced features, and key concepts.
MyDate, an online dating service, manages a table contains their list of members. As seen here, MyDate has eight members: four men and four women.
CREATE TABLE MatchUp (CandidateGender varchar(25), CandidateID int) GO
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