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1.鏌ョ湅鏃ュ織緇勭殑浣跨敤鎯呭喌
SQL> select * from v$log;
2.鏌ユ棩蹇楃粍瀵瑰簲鐨勭墿鐞嗘枃浠?br />SQL> select member from v$logfile;
3.鍒犻櫎鎹熷潖鐨勬棩蹇楃粍,渚嬪1
SQL> alter database drop logfile group 1;
4.鍒犻櫎鏃ュ織鎴愬憳鏂囦歡
SQL> ! rm /opt/oracle/oradata/means/redo01.log
5.鍒涘緩鏃ュ織鎴愬憳鏂囦歡
SQL> alter databasee add logfile group 1 '/opt/oracle/oradata/means/redo01.log' size 300m;
6.鍒囨崲褰撳墠鏃ュ織緇?br />SQL> alter system switch logfile;
7.澶氫釜鏃ュ織緇勯噸寤烘垨淇敼澶у皬錛岄渶閲嶅姝ラ 3 - 6銆?/p>
聽聽 浠婂ぉ鍦ㄥ鎴風(fēng)幇鍦哄紑鍙戯紝紿佺劧璁″垝鎺掍駭鍛樿窇浜?jiǎn)涓婃潵锛岃鍙戠庮C竴浠跺緢濂囨殑浜嬶紝鍒氭墦鍗扮殑鐢熶駭璁″垝鍗曪紝鍐嶄篃鎵句笉鍒頒簡(jiǎn)錛屽彟鏈変竴寮犳湭瀹$殑鍗曚篃鍚屾椂涓嶈浜?jiǎn)銆?br />鎵撳紑搴旂敤緋葷粺鐨勬棩蹇楋紝鍙戠幇浠栧彧鍒犱簡(jiǎn)涓寮犲崟錛岀粡紜榪欏紶鏄殑紜鍒犵殑鍗曟嵁錛屽茍涓嶆槸涓婇潰涓ゅ紶鍗曠殑鍏朵腑涔嬩竴銆?br />聽聽 鍞竴瑙f瀽鏄湁浜鴻鍒犱簡(jiǎn)榪欎袱寮犲崟,娌℃湁鍔炴硶涔嬩笅鍙湁鏌ョ湅Oracle鐨勬搷浣滄棩蹇椾簡(jiǎn),浜庢槸logminer灝辨憜浜?jiǎn)涓婂?涔嬪墠澶ч儴鍒嗗湪嫻嬭瘯鐜涓嬫搷浣?榪欐鏉ヤ簡(jiǎn)涓疄鎴?蹇?jī)搴曟湭鍏嶆湁浜涚揣寮犮?br />涓嬮潰璁板綍鎭㈠榪囩▼浠ュ鍚庣敤!
1.鎵撳紑SecureCRT鐢╮oot鐢ㄦ埛鐧婚檰鏁版嵁鏈嶅姟鍣?/p>
2.杞埌oracle鐢ㄦ埛
su - oracle
3.榪愯sqlplus,鐢ㄧ鐞嗗憳鏉冮檺榪炴帴
sqlplus /nolog
SQL> conn /as sysdba
4.鍏堟煡涓涓嬬郴緇熷弬鏁癠TL_FILE_DIR鐨勫綋鍓嶅?br />SQL> show parameter UTL_FILE_DIR
NAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 TYPE聽聽聽聽聽聽聽 VALUE
------------------------------------ ----------- ------------------------------
utl_file_dir聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 string聽聽聽聽聽
褰撳墠榪樻病鏈夎鍊?濂?閭e氨璁懼惂
alter system set UTL_FILE_DIR ='/home/oracle/logdict' scope=both;
鍙戠幇鍑洪敊
ERROR at line 1:
ORA-02095: specified initialization parameter cannot be modified
鎵嶅彂鐜板師鏉ヤ竴浜涘弬鏁頒笉鑳藉嵆鏃剁敓鏁堢殑錛屽繀欏諱慨鏀瑰埌spfile錛岄噸鍚暟鎹簱鎵嶅彲浠ャ傚彧濂斤細(xì)
alter system set UTL_FILE_DIR ='/home/oracle/logdict' scope=spfile;
5.鍏抽棴瀹炰緥,騫墮噸鏂板紑闂?br />shutdown immediate;
startup;
6.瀹夎logminer宸ュ叿闇瑕佽繍琛屼笅闈袱涓猻ql(鐜鍙橀噺$ORACLE_HOME鐢ㄥ疄闄呯殑璺緞浠f浛)
SQL> @$ORACLE_HOME/rdbms/admin/dbmslm.sql
SQL> @$ORACLE_HOME/rdbms/admin/dbmslmd.sql
娉細(xì)銆榪欎袱涓剼鏈繀欏誨潎浠YS鐢ㄦ埛韜喚榪愯銆傚叾涓涓涓剼鏈敤鏉ュ垱寤篋BMS_LOGMNR鍖咃紝璇ュ寘鐢ㄦ潵鍒嗘瀽鏃ュ織鏂囦歡銆傜浜屼釜鑴氭湰鐢ㄦ潵鍒涘緩DBMS_LOGMNR_D鍖咃紝璇ュ寘鐢ㄦ潵鍒涘緩鏁版嵁瀛楀吀鏂囦歡銆?/p>
7.鍒涘緩鏁版嵁瀛楀吀鏂囦歡
EXECUTE dbms_logmnr_d.build( 'dictionary.ora', '/home/oracle/logdict');
娉?絎簩涓弬鏁扮殑璺緞搴旇鍏堝緩濂?濡?br />cd /home/oracle
mkdir logdict
8.鍔犲叆闇瑕佸垎鏋愮殑鍦ㄧ嚎閲嶄綔鏃ュ織鏂囦歡
EXECUTE dbms_logmnr.add_logfile('/opt/oracle/oradata/means/redo01.log', dbms_logmnr.new);
EXECUTE dbms_logmnr.add_logfile('/opt/oracle/oradata/means/redo02.log', dbms_logmnr.addfile);
EXECUTE dbms_logmnr.add_logfile('/opt/oracle/oradata/means/redo03.log', dbms_logmnr.addfile);
娉細(xì)
濡傛灉闇瑕佷粠鍒嗘瀽鍒楄〃閲屽幓鎺変竴涓枃浠剁敤
EXECUTE dbms_logmnr.add_logfile('d:\ORACLE\ORADATA\ORA\REDO03_1.LOG',dbms_logmnr.removefile);
鏌ヨ鍦ㄧ嚎鏃ュ織鏂囦歡鐢?br />select * from v$log; --鏍規(guī)嵁鏄劇ず緇撴灉鍙煡褰撳墠鏃ュ織鐨勭粍鍙蜂負(fù)2
GROUP#聽聽聽 THREAD#聽 SEQUENCE#聽聽聽聽聽 BYTES聽聽聽 MEMBERS ARC STATUS
---------- ---------- ---------- ---------- ---------- --- ----------------
FIRST_CHANGE# FIRST_TIM
------------- ---------
聽聽聽聽聽聽聽聽 1聽聽聽聽聽聽聽聽聽 1聽聽聽聽聽聽聽 169聽 104857600聽聽聽聽聽聽聽聽聽 1 NO聽 INACTIVE
聽聽聽聽 14162736 23-JUN-07
聽聽聽聽聽聽聽聽 2聽聽聽聽聽聽聽聽聽 1聽聽聽聽聽聽聽 170聽 104857600聽聽聽聽聽聽聽聽聽 1 NO聽 CURRENT
聽聽聽聽 14181604 23-JUN-07
聽聽聽聽聽聽聽聽 3聽聽聽聽聽聽聽聽聽 1聽聽聽聽聽聽聽 171聽 104857600聽聽聽聽聽聽聽聽聽 1 NO聽 INACTIVE
聽聽聽聽 14230307 23-JUN-07
select * from v$logfile; --/鏍規(guī)嵁緇勫彿鍙互鎵懼埌瀵瑰簲鐨勬棩蹇楁枃浠朵負(fù)redo02.log
聽GROUP# STATUS聽 TYPE
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------
聽聽聽聽聽聽聽聽 1聽聽聽聽聽聽聽聽 ONLINE
/opt/oracle/oradata/means/redo01.log
聽聽聽聽聽聽聽聽 2聽聽聽聽聽聽聽聽 ONLINE
/opt/oracle/oradata/means/redo02.log
聽聽聽聽聽聽聽聽 3聽聽聽聽聽聽聽聽 ONLINE
/opt/oracle/oradata/means/redo03.log
濡傛灉紜鎿嶄綔鏄湪褰撳墠鏃ュ織涓紝鍙互鍙垎鏋恟edo02.log銆?/p>
9.鎵ц鏃ュ織鍒嗘瀽(鍏ㄩ儴鍒嗘瀽鍑烘潵)
EXECUTE dbms_logmnr.start_logmnr( DictFileName=>'/home/oracle/logdict/dictionary.ora');
涓嶇煡涓轟粈涔堬紝鎴戞寜緗戜笂鐨勮祫鏂欏畾浜?jiǎn)鏃ユ湡娈?灝辨槸涓嶉氳繃,鎵ц緇撴灉濡備笅錛?br />EXECUTE dbms_logmnr.start_logmnr( DictFileName => '/home/oracle/logdict/dictionary.ora',StartTime => to_date('2007-6-23 00:00:00','YYYY-MM-DD HH24:MI:SS'),EndTime => to_date('2007-6-23 11:00:00','YYYY-MM-DD HH24:MI:SS'));
ERROR at line 1:
ORA-01291: missing logfile
ORA-06512: at "SYS.DBMS_LOGMNR", line 53
ORA-06512: at line 1
10.榪欐椂鍙氨鍙牴鎹甐$logmnr_contents瑙嗗浘鐨勫唴瀹規(guī)潵鏌ラ槄鏁版嵁鐨勫巻鍙叉搷浣滀簡(jiǎn)
11.瀵煎嚭鎵ц榪囩殑sql
set聽聽 heading聽聽 off
spool /home/oracle/logdict/log.txt聽
SELECT sql_redo FROM V$logmnr_contents WHERE sql_redo like 'delete from "MEANS"."AL_MAIN_PLAN" where "L_ORDER_ID" = ''6073''%';
spool off
12.鍚庢潵鍙戠幇鏈夋洿鏂逛究鐨勬柟娉?br />create table means.log_contents as select * from V$logmnr_contents
13.鐒跺悗鐢╰oad鏉ユ煡灝辨洿鏂逛究浜?
濡傛湁閿欐紡璇烽珮鎵嬫寚鏁欙紝TKS!
闄剉$logmnr_contents鐨勭粨鏋勫拰甯哥敤瀛楁璇存槑
聽Name聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 Null?聽聽聽 Type
聽----------------------------------------- -------- ----------------------------
聽SCN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER聽--System Change Number 鍙敤select dbms_flashback.get_system_change_number from dual;鑾峰緱褰撳墠鏀瑰彉鍙?br />聽CSCN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽TIMESTAMP聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 DATE聽--鎵ц鎿嶄綔鐨勬椂闂?br />聽COMMIT_TIMESTAMP聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 DATE
聽THREAD#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽LOG_ID聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽XIDUSN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽XIDSLT聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽XIDSQN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽PXIDUSN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽PXIDSLT聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽PXIDSQN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽RBASQN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽RBABLK聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽RBABYTE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UBAFIL聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UBABLK聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UBAREC聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UBASQN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽ABS_FILE#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽REL_FILE#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽DATA_BLK#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽DATA_OBJ#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽DATA_OBJD#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽SEG_OWNER聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽SEG_NAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(256)
聽SEG_TYPE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽SEG_TYPE_NAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽TABLE_SPACE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽ROW_ID聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(19)
聽SESSION#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽SERIAL#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽USERNAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(30)
聽SESSION_INFO聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(4000)
聽TX_NAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(256)
聽ROLLBACK聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽OPERATION聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽OPERATION_CODE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽SQL_REDO聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(4000)
聽SQL_UNDO聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(4000)
聽RS_ID聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽SEQUENCE#聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽SSN聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽CSF聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽I(yíng)NFO聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽STATUS聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽REDO_VALUE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 RAW(4)
聽UNDO_VALUE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 RAW(4)
聽SQL_COLUMN_TYPE聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽SQL_COLUMN_NAME聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 VARCHAR2(32)
聽REDO_LENGTH聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽REDO_OFFSET聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UNDO_LENGTH聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER
聽UNDO_OFFSET聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 NUMBER