查询除了计算机18001班之外的所有学生信息,正确的SQL语句是()。
Aselect * from student where not class=‘计算机18001‘
Bselect * from student where class‘计算机18001‘
Cselect * from student where class!=‘计算机18001‘
Dselect * from student where not class is ‘计算机18001‘
Aselect * from student where not class=‘计算机18001‘
Bselect * from student where class‘计算机18001‘
Cselect * from student where class!=‘计算机18001‘
Dselect * from student where not class is ‘计算机18001‘