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[单选] 若要将“s_c_info”表中所有学生的成绩“score”加5分,则正确的SQL语句是()
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
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