sqlserver中查询第xxx行数据

假设id是主键：
select *
from (select top xxx * from yourtable) aa
where not exists(select 1 from (select top xxx-1 * from yourtable) bb where aa.id=bb.id)

如果使用游标也是可以的
fetch absolute [number] from [cursor_name]
行数为绝对行数