Oracle·ÖÒ³ÌÖÂÛ
oracle·ÖÒ³£¿£¿£¿
ÔÚmysqlÖÐÖ»Òªlimit x,y¾Í¿ÉÒÔ·ÖÒ³³É¹¦£¬ÄÇoracle ÖÐÊÇÔõô×öµÄÄØ£¿
=================================================
·½·¨Ò»£º
SELECT id,rown
from (SELECT id, ROWNUM rown
from (SELECT id
from table
WHERE (************)
ORDER BY ********)
WHERE ROWNUM <= ÿҳÌõÊý*Ò³ºÅ)
WHERE (rown BETWEEN ÿҳÌõÊý*Ò³ºÅ-£¨Ã¿Ò³ÌõÊý-1£© AND ÿҳÌõÊý*Ò³ºÅ)
¸ã²»¶¨ºÍÎÒÁªÏµ lhw@263.net
ÕâÑùÈ¡³öµÚ11-20Ìõ¼Ç¼!
select * from (
select rownum r,a from yourtable
where rownum <= 20
order by name )
where r > 10
=========================================================
[code=SQL]
select * from
(select rownum r , e.*
--¸ù¾ÝÌõ¼þ²éÕÒ³öËùÒªµÄ¼Ç¼
from
(select * from emp where Ìõ¼þ order by ×Ö¶Î ) e
)
where r between ÆðʼÐÐ and ½áÊøÐÐ
[/code]
======================================================
·½·¨Èý£º
a_ja£¨Çà²ØêóÅ££©»Ø¸´ÓÚ 2003-06-14 12:16:29 µÃ·Ö 0
select * from you_db_table where rownum
Ïà¹ØÎĵµ£º
¼¸¸ö¼òµ¥µÄ²½Öè´ó·ùÌá¸ßOracleÐÔÄÜ--ÎÒÓÅ»¯Êý¾Ý¿âµÄÈý°å¸«¡£
Êý¾Ý¿âÓÅ»¯µÄÌÖÂÛ¿ÉÒÔ˵ÊÇÒ»¸öÓÀºãµÄÖ÷Ìâ¡£×ÊÉîµÄOracleÓÅ»¯ÈËԱͨ³£»áÒªÇóÌá³öÐÔÄÜÎÊÌâµÄÈ˶ÔÊý¾Ý¿â×öÒ»¸östatspack£¬Ìù³öÊý¾Ý¿âÅäÖõȵȡ£»¹ÓеÄÈËÈÏΪҪץ³öÖ´ÐÐ×îÂýµÄÓï¾äÀ´½øÐÐÓÅ»¯¡£µ«Êµ¼ÊÇé¿öÊÇ£¬Ìá³öÒÉÎʵÄÈ˺ܿÉÄܸù±¾²»¶®Ö´Ðмƻ®£¬¸ü²»ÒªËµstatspac ......
ÓÃoracleÊý¾Ý¿âµÄ´æ´¢¹ý³ÌʵÏÖ·µ»Ø½á¹û¼¯²¢ÊµÏÖ·ÖÒ³µÄ¹¦ÄÜ¡£
Óû§´«Èë²ÎÊý
Ò»ÏÂÊÇת±ðÈ˵ĴúÂë
--°üÉùÃ÷
create or replace package p_page is
-- Author : PHARAOHS
-- Created : 2006-4-30 14:14:14
-- Purpose : ·ÖÒ³¹ý³Ì
TYPE type_cur IS REF CURSOR; &n ......
OracleÖÐÓÃRowid²éÕÒºÍɾ³ýÖØ¸´¼Ç¼
¡¡¡¡Æ½Ê±¹¤×÷ÖпÉÄÜ»áÅöµ½µ±ÊÔͼ¶Ô¿â±íÖеÄijһÁлò¼¸Áд´½¨Î¨Ò»Ë÷Òýʱ£¬ÏµÍ³Ìáʾ ORA-01452 £º²»ÄÜ´´½¨Î¨Ò»Ë÷Òý£¬·¢ÏÖÖØ¸´¼Ç¼¡£
¡¡¡¡ÏÂÃæ×ܽáһϼ¸ÖÖ²éÕÒºÍɾ³ýÖØ¸´¼Ç¼µÄ·½·¨£¨ÒÔ±íCZΪÀý£©£º
¡¡¡¡±íCZµÄ½á¹¹ÈçÏ£º
¡¡¡¡SQL> desc cz
¡¡¡¡Name Null? Type
¡¡¡¡---------- ......
ORACLEÔÚ¹ØÏµÊý¾Ý¿âÍ⣬ÈÚÈëÁËÃæÏò¶ÔÏóµÄÔªËØ£¬±ÈÈç¿ÉÒÔ´´½¨type£¬typeÖ®¼ä¿ÉÒԼ̳У¬type¿ÉÒÔ´ø¹¹Ô캯Êý¡¢ÅÅÐòº¯Êý¡¢¸÷ÖÖ¸÷ÑùµÄ³ÉÔ±º¯Êý¡¢´æ´¢¹ý³ÌµÈµÈ¡£
¶ÔÏó±íÊÇÖ¸¸Ã±íµÄÒ»ÐоÍÊÇÒ»¸ö¶ÔÏó£¬ÓÐÒ»¸öOID(object ID)£¬¶ÔÏó±íÖ®¼äûÓÐÖ÷Íâ¼ü¹ØÁªµÄ¸ÅÄΪÁËÌåÏÖÕâ²ã¹ØÏµ£¬oracleÖÐÓÃÁËref¶ÔÏóÀ´ÊµÏÖ¡£
ÏÂÃæÀý×Ó£¬´´½¨Ò»¸öµ ......
(Oracle£©rownumÓ÷¨Ïê½â
2008-08-06 15:41
¶ÔÓÚrownumÀ´ËµËüÊÇoracleϵͳ˳Ðò·ÖÅäΪ´Ó²éѯ·µ»ØµÄÐеıàºÅ£¬·µ»ØµÄµÚÒ»ÐзÖÅäµÄÊÇ1£¬µÚ¶þÐÐÊÇ2£¬ÒÀ´ËÀàÍÆ£¬Õâ¸öα×ֶοÉÒÔÓÃÓÚÏÞÖÆ²éѯ·µ»ØµÄ×ÜÐÐÊý£¬ÇÒrownum²»ÄÜÒÔÈκαíµÄÃû³Æ×÷Ϊǰ׺¡£
(1) rownum ¶ÔÓÚµÈÓÚijֵµÄ²éѯÌõ¼þ
Èç¹ûÏ£ÍûÕÒµ½Ñ§Éú±íÖеÚÒ»ÌõѧÉúµÄÐÅÏ¢£¬¿É ......