Oracle分页技术--rownum

--Oracle分页：rownum
--剔除所有信息
select * from dczd order by dczd.dczd_dm;
--剔除上述信息中的前9条
select view1.*, rownum rn
from (select * from dczd order by dczd.dczd_dm) view1
where rownum < 10;
--剔除所有信息中的3-9条
select view2.*
from (select view1.*, rownum rn
from (select * from dczd order by dczd.dczd_dm) view1
where rownum < 10) view2
where rn > 2;