使用LogMiner 的簡單步驟

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上載者:User

1.建立DBMS_LOGMNR包
SQL>@$ORACLE_HOME/rdbms/admin/dbmslm.sql

2.建立相關資料字典
SQL>@$ORACLE_HOME/rdbms/admin/dbmslmd.sql

3.修改初始化參數UTL_FILE_DIR,指定分析資料的存放處
SQL>alter system set UTL_FILE_DIR='/opt/oracle/logminer' scope=spfile;

4.重啟資料庫
SQL>shutdown immediate
SQL>startup

5.建立資料字典檔案

SQL>execute dbms_logmnr_d.build(dictionary_filename =>'sqltrace.ora',dictionary

_location =>'/opt/oracle/logminer/log');

6.建立日誌分析表

SQL> execute dbms_logmnr.add_logfile(options =>dbms_logmnr.new,logfilename =>'/opt/oracle/ora92/rdbms/ARC00009.001');


7.添加用於分析的記錄檔

SQL> execute dbms_logmnr.add_logfile(options =>dbms_logmnr.addfile,logfilename=>'/opt/oracle/ora92/rdbms/ARC00010.001');

SQL> execute dbms_logmnr.add_logfile(options =>dbms_logmnr.addfile,logfilename =>/opt/oracle/ora92/rdbms/ARC00011.001');

刪除


SQL> execute dbms_logmnr.add_logfile(options =>dbms_logmnr.removefile,logfilenam

e =>'/opt/oracle/ora92/rdbms/ARC00011.001');


 8.啟動LogMiner進行分析

SQL> execute dbms_logmnr.start_logmnr(dictfilename =>'/opt/oracle/logminer/log/sqltrace.or

a',starttime =>to_date('20040625 09:00:00','yyyymmdd hh24:mi:ss'),endtime =>to_date('20040625 22:00:00','yyyymmdd hh24:mi:ss'));

9.參看分析結果

select operation,sql_redo,sql_undo from v$logmnr_contents;

 
10.結束分析

SQL> execute dbms_logmnr.end_logmnr;

一旦結束視圖v$logmnr_contents中的分析結果也隨之不再存在。


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