首页 > 数据库技术 > 详细

Oracle通用分页格式

时间:2019-03-08 22:28:00      阅读:173      评论:0      收藏:0      [点我收藏+]

对于没有order by语句的分页:

技术分享图片
SELECT *
FROM (SELECT ROWNUM AS rowno, t.*
          FROM DONORINFO t
          WHERE t.BIRTHDAY BETWEEN TO_DATE (‘19800101‘, ‘yyyymmdd‘)
          AND TO_DATE (‘20060731‘, ‘yyyymmdd‘)
          AND ROWNUM <= page*size) table_alias
WHERE table_alias.rowno > (page-1)*size;    
技术分享图片

有order by语句的分页

技术分享图片
SELECT *
FROM (SELECT ROWNUM AS rowno,r.*
           FROM(SELECT * FROM DONORINFO t
                    WHERE t.BIRTHDAY BETWEEN TO_DATE (‘19800101‘, ‘yyyymmdd‘)
                    AND TO_DATE (‘20060731‘, ‘yyyymmdd‘)
                    ORDER BY t.BIRTHDAY desc
                   ) r
           where ROWNUM <= page*size 
          ) table_alias
WHERE table_alias.rowno > (page-1)*size;
技术分享图片

另外我们也可以使用row_number() over函数:

技术分享图片
select * 
from(select d.*,row_number() over(order by d.BIRTHDAY) as rownumber 
       from DONORINFO d
       WHERE d.BIRTHDAY BETWEEN TO_DATE (‘19800101‘, ‘yyyymmdd‘)
        AND TO_DATE (‘20060731‘, ‘yyyymmdd‘)
 ) p 
where p.rownumber BETWEEN size*(page-1)+1 AND page*size;

Oracle通用分页格式

原文:https://www.cnblogs.com/523823-wu/p/10498607.html

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!