--跳过10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 4and 6