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1¡¢sqlplus "sys/sys@·þÎñÃû as sysdba"
 
2¡¢Ð޸ĿØÖÆÎļþ:
 
    alter system set control_files='E:\oracle\oradata\myOracle_1\control01.ctl',
 'E:\oracle\oradata\myOracle_1\control02.ctl','E:\oracle\oradata\myOracle_1\control03.ctl'
  scope=spfile;
3¡¢±¸·Ý¿ØÖÆÎļþ
 alter database backup controlfile to 'E:\oracle\oradata\testdb.ctl' reuse;
4¡¢±¸·Ýµ½¸ú×ÙÎļþ, ·½±ãÖØ½¨¿ØÖÆÎļþ
 alter database backup controlfile to trace;
6¡¢²é¿´´æ·Å·¾¶
 show parameter user_dump_dest
 
6¡¢Êý¾ÝÎļþ¿½±´µ½¶ÔÓ¦µÄĿ¼:
  
7¡¢µ½¶ÔÓ¦µÄORACLEµÄÊý¾ÝĿ¼ user_dump_des,ÕÒµ½¶ÔÓ¦µÄ×îеÄTRACEÎļþ£¬¿½±´¶ÔÓ¦µÄÊý¾Ý³öÀ´£º
 ÄÚÈÝÈçÏ£º
 1¡¢ÖØ×öÈÕÖ¾Îļþ¿ÉÓõÄÇé¿ö
 STARTUP NOMOUNT;
 
 CREATE CONTROLFILE REUSE DATABASE "MYORACLE" NORESETLOGS  NOARCHIVELOG
 --  SET STANDBY TO MAXIMIZE PERFORMANCE
     MAXLOGFILES 3
     MAXLOGMEMBERS 3
     MAXDATAFILES 20
     MAXINSTANCES 1
     MAXLOGHISTORY 226
 LOGFILE
   GROUP 1 'E:\ORACLE\ORADATA\MYORACLE_1\REDO01.LOG'  SIZE 30M,
   GROUP 2 'E:\ORACLE\ORADATA\MYORACLE_1\REDO02.LOG'  SIZE 30M,
   GROUP 3 'E:\ORACLE\ORADATA\MYORACLE_1\REDO03.LOG'  SIZE 30M
 -- STANDBY LOGFILE
 DATAFILE
   'E:\ORACLE\ORADATA\MYORACLE_1\SYSTEM01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\UNDOTBS01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\DRSYS01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\INDX01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\TOOLS01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\USERS01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\XDB01.DBF',
   'E:\ORACLE\ORADATA\MYORACLE_1\PERFSTAT.ORA'
 CHARACTER SET ZHS16GBK;
 
 alter database rename file 'E:\ORACL


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¡¾×ª¡¿ Ïê½éoracleµÄRBO/CBOÓÅ»¯Æ÷

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OracleµÄÓÅ»¯Æ÷ÓÐÁ½ÖÖÓÅ»¯·½Ê½,¼´»ùÓÚ¹æÔòµÄÓÅ»¯·½Ê½(Rule-Based Optimization£¬¼ò³ÆÎªRBO)ºÍ»ùÓÚ´ú¼ÛµÄÓÅ»¯·½Ê½(Cost-Based Optimization£¬¼ò³ÆÎªCBO)£¬ÔÚOracle8¼°ÒÔºóµÄ°æ±¾,OracleÇ¿ÁÐÍÆ¼öÓÃCBOµÄ·½Ê½
    RBO·½Ê½£ºÓÅ»¯Æ÷ÔÚ·ÖÎöSQLÓï¾äʱ,Ëù×ñÑ­µÄÊÇOracleÄÚ²¿Ô¤¶¨µÄһЩ¹ ......

OracleÖÐKill sessionµÄÑо¿

ÎÒÃÇÖªµÀ,ÔÚOracleÊý¾Ý¿âÖÐ,¿ÉÒÔͨ¹ýkill sessionµÄ·½Ê½À´ÖÕÖ¹Ò»¸ö½ø³Ì,Æä»ù±¾Óï·¨½á¹¹Îª:
alter system kill session 'sid,serial#' ;
 
±»killµôµÄsession,״̬»á±»±ê¼ÇΪkilled,Oracle»áÔÚ¸ÃÓû§ÏÂÒ»´ÎtouchʱÇå³ý¸Ã½ø³Ì.
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oracle²¹¶¡ÏÂÔØ

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¹Ø¼ü×Ö: oracle
9.2.0.4  = 3095277
9.2.0.5  = 3501955
9.2.0.6  = 3948480
9.2.0.7  = 4163445
9.2.0.8  = 4547809£¨9i×îÖÕ£©
10.1.0.3 = 3761843
10.1.0.4 = 4163362
10.1.0.5 = 4505133
10.2.0.2 = 4547817
10.2.0.3 = 5337014
10.2.0.4 = 6810189 ......

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