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  • 日志挖掘

    3.2日志挖掘

    日志挖掘需要DBMS_LOGMNR_D和DBMS_LOGMNR包,如果数据库没有这两包,SYSDBA身份运行下面脚本:

     @$ORACLE_HOME/rdbms/admin/dbmslm.sql;

     @$ORACLE_HOME/rdbms/admin/dbmslmd.sql;

    alter database add supplemental log data;

    SYS@ora11g>select 'exec dbms_logmnr.add_logfile(logfilename=>'''||member||''');' as script from v$logfile; 

    SCRIPT

    ----------------------------------------------------------------------------

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_3.266.833721683');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_3.267.833721685');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_2.264.833721681');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_2.265.833721683');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_1.262.833721677');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/onlinelog/group_1.263.833721679');

    SYS@ora11g>select 'exec dbms_logmnr.add_logfile(logfilename=>'''||name||''');' as script from v$archived_log;

    SCRIPT

    ----------------------------------------------------------------

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_09/thread_1_seq_3.271.833735639');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_10/thread_1_seq_4.272.833820011');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_10/thread_1_seq_5.273.833839337');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_11/thread_1_seq_6.274.833879619');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_11/thread_1_seq_7.275.833894857');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_8.276.835635195');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_9.277.835637541');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_10.278.835637551');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_11.279.835637553');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_12.280.835637555');

    exec dbms_logmnr.add_logfile(logfilename=>'+DATA/ora11g/archivelog/2013_12_31/thread_1_seq_13.281.835637559');

    exec sys.dbms_logmnr.start_logmnr(options=>sys.dbms_logmnr.dict_from_online_catalog);

    select scn,sql_redo,sql_undo from v$logmnr_contents;

    exec sys.dbms_logmnr.end_logmnr();

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  • 原文地址:https://www.cnblogs.com/wwxbi/p/4216771.html
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