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select * from  a
left outer join  b on a.id= b.id AND ...1...
 where ...2...
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select * from  a , b 
 where a.id= b.id(+)
AND ...1...
AND ...2...
µÄÒ»¸öÇø±ð£º¡¾1¡¿ÀïµÄbÏ൱ÓÚ(select b.* where...1...)


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°²×°³ÌÐò֮ǰ£¬Oracle¹«Ë¾Ö´ÐÐÒ»¸öÏȾöÌõ¼þ¼ì²éµÄ×Ô¶¯±àº ......

oracle systemÃÜÂëÍü¼Ç½â¾ö

1.ÓÃOracleÓû§µÇ½Linux·þÎñÆ÷;
2.ÔÚÖÕ¶Ë´°¿ÚÊäÈë sqlplus /nolog
   [oracle@hylinux ~]$ sqlplus /nolog
    SQL*Plus: Release 10.2.0.1.0 - Production on ÐÇÆÚ¶þ 7ÔÂ 29  14:26:16 2008
    Copyright (c) 1982, 2005, Oracle.  All rights reserved.
& ......

ÔÚORACLEµÃµ½Ä³¸ö±íµÄÖ÷¼ü×Ö¶ÎÃû

select column_name from all_cons_columns cc
where owner='SSH'  --SSHΪÓû§Ãû³Æ£¬Òª×¢Òâ´óСд
and table_name='SYS_DEPT' --SYS_DEPTΪ±íÃû£¬×¢Òâ´óСд
and exists (select 'x' from all_constraints c
where c.owner = cc.owner
and c.constraint_name = cc.constraint_name
and c.constraint_type ='P' ......

JIRAµÄ°²×°ÓëÅäÖã¨OracleÊý¾Ý¿â£©

    Ô­ ÎÄ£ºÆ½·²ËêÔ£ºjiraµÄ°²×°£¨oracleÊý¾Ý¿â£©http://www.trucy.org/blog/ray/archives/000927.html
    
    ÒÔÏÂÊÇ»ùÓÚÔ­ÎĵIJ¹³äÍêÉÆºóµÄÄÚÈÝ£º
    JIRAÊÇÒ»¸öÓÅÐãµÄÎÊÌâ(or bugs£¬task£¬improvement£¬new feature  ......

oracle jobsÅú´¦ÀíÓï¾ä

--oracle jobsÅú´¦ÀíÃüÁî²Î¿¼
qlplus /nolog
connect sys/lee as sysdba
--ÒÔÏÂÁ½¾äÔÚsys(¼´¾ßÓÐdbaȨÏÞµÄÓû§)Óû§ÏÂÖ´ÐÐ
show parameter job_queue_processes;
alter system set job_queue_processes=10;
exit
sqlplus /nolog
connect jcy/jcy
ALTER TABLE T_OA_AFFICHE MODIFY (INPUT_TIME DATE);
ALTER TABLE ......
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