【oracle】之分页浅尝

• 分页查询一

select * from (select a1.*,rownum rn from (select * from users) a1 where rownum <=5) where rn>=3;

• 分页查询二

select a1.* from (select m.*,rownum rn from users m where rownum <=5) a1 where rn >= 3;

• 分页查询三

select a1.* from (select m.*,rownum rn from users m) a1 where rn between 3 and 5;