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Given that tables T1 and T2 contain the following rows: Table T1:C1 C25 4 5 2 5 5Table T2: C1 C2 5 1 5 2 5 3Which of the following queries will return only those rows that exist in T1 and not in T2?()

A.SELECT * FROM T1 MINUS SELECT * FROM T2

B.SELECT * FROM T1 EXCEPT SELECT * FROM T2

C.SELECT * FROM T2 UNION EXCEPT SELECT * FROM T1

D.SELECT * FROM T1 NOT EXISTS SELECT * FROM T2


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更多 “ Given that tables T1 and T2 contain the following rows: Table T1:C1 C25 4 5 2 5 5Table T2: C1 C2 5 1 5 2 5 3Which of the following queries will return only those rows that exist in T1 and not in T2?() A.SELECT * FROM T1 MINUS SELECT * FROM T2B.SELECT * FROM T1 EXCEPT SELECT * FROM T2C.SELECT * FROM T2 UNION EXCEPT SELECT * FROM T1D.SELECT * FROM T1 NOT EXISTS SELECT * FROM T2 ” 相关考题
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