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单项选择题
A.UPDATE一次只能修改一列的值
B.UPDATE只能修改不能赋值
C.UPDATE可以指定要修改的列和想赋予的新值
D.UPDATE不能加WHERE条件
单项选择题
A.REPLACE AGE WITH AGE+1
B.UPDATE STUDENT AGE WITH AGE+1
C.UPDATE SET AGE WITH AGE+1
D.UPDATE STUDENT SET AGE=AGE+1
单项选择题
A.Update account SET Sex=´女´where Sex=´男´
B.Update account SET Sex=´男´where Sex=´女´
C.Update FROM account SET Sex=´女´where Sex=´男´
D.Update FROM account SET Sex=´男´where Sex=´女´
单项选择题
A.UPDATE s_c_info SET score=5
B.UPDATE s_c_info SET score=score+5
C.UPDATE FROM s_c_info SET score=5
D.UPDATE FROM s_c_info SET score=score+5