从student表删除年龄大于30的记录的正确SQL命令是A.DELETE FOR年龄30B.DELETE FROM student WHERE年龄30C.DELETE student FOR年龄30D.DELETE student WHERE年龄30

从student表删除年龄大于30的记录的正确SQL命令是

A.DELETE FOR年龄>30

B.DELETE FROM student WHERE年龄>30

C.DELETE student FOR年龄>30

D.DELETE student WHERE年龄>30


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使用SQL语句将学生表S中年龄(AGE)大于30岁的记录删除,正确的命令是A)DELETE FOR AGE30 B)DELETE FROM S WHERE AGE30C)DELETE S FOR AGE30 D)DELETE S WHERE AGE30

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