无需阅读的操作可满足认知能力有障碍的人的需要，同时满足不能识别文字或不识此种文字的人（如外国游客）的需要。
A. 对
B. 错
在( )子查询中,内层查询只处理一次,得到一个结果集,再依次处理外层查询
A. In子查询
B. Exist子查询
C. Not Exist子查询
D. Join子查询
与Where G Between 60 And 100语句等价的子句是( )
A. Where G>60 And G<100
B. Where G>=60 And G<100
C. Where G>60 And G<=100
D. Where G>=60 And G<=100
在stud表中返回年龄最小的8位同学的信息,使用( )
A. SELECT * FROM studORDER BY birthday DESCLIMIT 8;
B. SELECT * FROM studORDER BY birthday ASCLIMIT 8;
C. SELECT * FROM studORDER BY birthday ASCLIMIT 7;
D. SELECT * FROM studORDER BY birthday DESCLIMIT 7;
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