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多项选择题学生成绩表grade中有字段score(float),现在要把所有在55分至60之间的分数提高5分,以下sql语句正确的是()

A、Update grade set score=score+5

B、Update grade set score=score+5 where score>=55 or score <=60

C、Update grade set score=score+5 where score between 55 and 60

D、Update grade set score=score+5 where score >=55 and score <=60

  • C,D
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