sql开窗函数 row_number () over(order by id )
select * from (select row_number() over (order by ypbsm)as num , * from ypbzb ) as a where num>=1 and num<=10
select * from (select row_number() over (order by ypbsm)as num , * from ypbzb ) as a where num>=1 and num<=10