问题:
A . Update grade set score=score+5 where score in 55..60
B . Update grade set score=score+5 where score >=55 AND score <=60
C . Update grade set score=score+5 where score between 55 or 60
D . Update grade set score=score+5 where score <=55 and score >=60
● 参考解析
本题暂无解析
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