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多选题
MySQL中，查找分数低于60和分数高于90的选课信息，正确的SQL语句是（）。
A
select * from sc where grade not between 60 and 90
B
select * from sc where grade between 60 and 90
C
select * from sc where grade<60 or grade>90
D
select * from sc where grade<60 and grade>90
答案解析
正确答案：AC
解析：
x not between a and b，相当于xb
