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()。
Aselect * from sc where grade not between 60 and 90
Bselect * from sc where grade between 60 and 90
Cselect * from sc where grade90
Dselect * from sc where grade90
Aselect * from sc where grade not between 60 and 90
Bselect * from sc where grade between 60 and 90
Cselect * from sc where grade90
Dselect * from sc where grade90