河南成教 / 数据库原理与应用
正确率：100%
[多选题] 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
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
参考答案：
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