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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
单项选择题
A.课号,成绩
B.学号,成绩
C.学号,课号
D.学号,姓名,成绩