分页查询的两种方法(双top 双order 和 row_number() over ())
--跳过2条取2条 也叫分页
select top 2 * from student where studentno not in ( select top 2 studentno from student order by studentno ) order by studentno
--row_number ()over() 分页
select * from( select *,ROW_NUMBER() over(order by studentno)as myid from student ) as temp where myid between 4 and 6