ORACLA的分页SQL语句

select sel.* from (select * from [表] where [条件语句] order by [排序条件])sel
where rownum<=[pagesize] and sel.[主键] not in(
select sel.[主键] from (select * from [表] where [条件语句] order by [条件语句])sel where rownum<=([pagecount]-1)*[pagesize])