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1.°²×°LOGMNR°ü£¬ÐèÒª±¾²½Öèûʲô¿É¶à˵µÄ£¬Ö»ÊÇÐèҪעÒâÔÚÁ¬½ÓÊý¾Ý¿âµÄʱºòĬÈÏ×îºÃʹÓñ¾µØÑéÖ¤·½Ê½
C:\>sqlplus /nolog
SQL> conn / as sysdba
SQL> @D:\oracle\product\10.2.0\db_2\RDBMS\ADMIN\dbmslm.sql
SQL> @D:\oracle\product\10.2.0\db_2\RDBMS\ADMIN\dbmslmd.sql
SQL> @D:\oracle\product\10.2.0\db_2\RDBMS\ADMIN\dbmslms.sql"
SQL> show parameter utl;
2.´´½¨Êý¾Ý×Öµä
SQL> alter system set utl_file_dir='d:\oracle\logmnr' scope=both;
SQL> EXECUTE dbms_logmnr_d.build('dictionary.ora','d:\oracle\logmnr');
3.Ìí¼ÓÈÕÖ¾Îļþ
SQL> EXECUTE dbms_logmnr.add_logfile(LogFileName=>'D:\1_15969.dbf',Options=>dbms_logmnr.new);
SQL> EXECUTE dbms_logmnr.add_logfile(LogFileName=>'D:\1_15969.dbf',Options=>dbms_logmnr.addfile);
»ò
SQL> begin
sys.dbms_logmnr.add_logfile(LogFileName=>'D:\1_15969.dbf',options =>dbms_logmnr.addfile);
end;
4.ʹÓÃ×Öµä·ÖÎöÈÕÖ¾Îļþ
SQL> execute dbms_logmnr.start_logmnr(dictfilename=>'d:\oracle\logmnr\dictionary.ora');
5.²éѯ½á¹û
SQL> select scn,sql_redo from v$logmnr_contents;
6.Í˳ölogmnr
SQL> execute dbms_logmnr.end_logmnr;
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oracleͬÒå´Ê

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create synonym table1 for user1.table1;
ÕâÑùµ±ÄãÔÚuser2Öвéselect * from table1ʱ¾ÍÏ൱ÓÚ²éselect * from user1.table1;
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Oracle ListenerµÄTNS 12502´íÎó

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Error: ORA-12502 / TNS-12502
Text: TNS:listener received no CONNECT_DATA from client
Cause: No CONNECT_DATA was ......

Oracle DBMS_METADATA Ó÷¨Àý×Ó

rom£ºhttp://www.psoug.org/reference/dbms_metadata.html
General Information
Source
{ORACLE_HOME}/rdbms/admin/dbmsmeta.sql
First Available
9.0.1
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GET_DDL
Fetch DDL for objects
dbms_metadata.get_ddl(
object_type IN VARCHAR2,
name        IN VA ......

Oracle Hang Analysis

Author: rainnyzhong
Date:2010-1-15
 
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