查询成绩在80~90分的学生记录的准则表达式为() A: A> 80 AND > 90 B: B>= 80 AND <= 90 C: CBetween 80 AND 90 D: DBetween 80—90
查询成绩在80~90分的学生记录的准则表达式为() A: A> 80 AND > 90 B: B>= 80 AND <= 90 C: CBetween 80 AND 90 D: DBetween 80—90
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