单选题Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 5 4 5 2 5 5 Table T2: C1 C2 5 1 5 2 5 3 Which of the following queries will return only those rows that exist in T1 and not in T2?（）ASELECT * FROM T1 MINUS SELECT * FROM T2BSELECT * FROM T1 EXCEPT SELECT * FROM T2CSELECT * FROM T2 UNION EXCEPT SELECT * FROM T1DSELECT * FROM T1 NOT EXISTS SELECT * FROM T2
单选题
Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 5 4 5 2 5 5 Table T2: C1 C2 5 1 5 2 5 3 Which 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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