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Oracle
Home >Oracle > Enabling ddl logging
The parameter enable_ddl_logging let us trace on file ddl operations. The log files are located on diagnostic_dest directory log and in its subfolder ddl Example, let's enable ddl logging: $ sqlplus sys as sysdba SQL*Plus: Release 12.1.0.2.0 Production on Fri Nov 6 16:09:21 2015 Copyright (c) 1982, 2014, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production SQL> show parameter enable_ddl_logging NAME TYPE VALUE ------------------------------------ ----------- ------------ enable_ddl_logging boolean FALSE SQL> alter system set enable_ddl_logging=true; System altered. And now, let's generate some quick ddl: SQL> create table t1 (n number) tablespace users; Table created. SQL> create index ind_t1_n on t1(n) tablespace users; Index created. SQL> -- some dml too just to put on some rows SQL> insert into t1 values (1); 1 row created. SQL> commit; Commit complete. SQL> create materialized view mv_t1 as select * from t1; Materialized view created. SQL> insert into t1 values (2); 1 row created. SQL> commit; SQL> -- now let's create a materialized view SQL> exec dbms_mview.refresh('mv_t1'); PL/SQL procedure successfully completed. SQL> select * from mv_t1; N ---------- 1 2 SQL> create view v_t1 as select * from t1; Let’s see what we traced, first locate the log directory on diagnostic_dest (same level of the trace directory where resides the alert log file) $ pwd /oracle/db_12C/diag/rdbms/DB01/log $ ls -latr total 20 drwxr-xr-x 2 oracle oinstall 3 Nov 6 16:36 ddl -rw-r----- 1 oracle oinstall 181 Nov 6 16:41 ddl_DB01.log $ cat ddl_DB01.log Fri Nov 06 16:36:31 2015 diag_adl:create table t1 (n number) tablespace users diag_adl:create index ind_t1_n on t1(n) tablespace users diag_adl:create view v_t1 as select * from t1 Fri Nov 06 17:00:45 2015 diag_adl:truncate table wri$_adv_addm_pdbs Warning: include(ads/text468x15.html): failed to open stream: No such file or directory in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Warning: include(): Failed opening 'ads/text468x15.html' for inclusion (include_path='.;C:\php\pear') in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Tutorial ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Script ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Comandi ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Codici errore ![]() ![]() ![]() ![]() ![]() |
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A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson
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