Oracle数据分页

–这个速度稍微慢些

select * from  
(select m.*,rownum rn  
from (select * from music order by id) m)  
where rn between 11 and 20

–最好选择以下方式
select * from  
(select m.*,rownum rn  
from (select * from music order by id) m  
where rownum<=20) where="" rn="">=11

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