题目内容

A．SELECT*FROM R WHERE E＜'2'B．SELECT B,E FROM R WHERE E＜'2'C．SELECT B,E FROM R HAVING E

A. SELECTFROM R WHERE E＜'2'
B. SELECT B,E FROM R WHERE E＜'2'
C. SELECT B,E FROM R HAVING E＜'2'
D. SELECTFROM R WHERE'5'＜B

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