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

时间:2022-10-26 06:27:59 所属题库:结构化查询语言(SQL)题库

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