- 08 Oct, 2023
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ENABLE_DDL_LOGGING In Oracle 12c
This ENABLE_DDL_LOGGING parameter has been introduced in oracle 12c.
If this ENABLE_DDL_LOGGING is enabled , then DDL records are written to the ADR.
Enable the parameter:
SQL> show parameter enable_ddl_logging NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ enable_ddl_logging boolean FALSE SQL> alter system set enable_ddl_logging=true; System altered. SQL> show parameter enable_ddl_logging NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ enable_ddl_logging boolean TRUE
Do some DDL operations:
SQL> create user abc identified by abc; User created. SQL> create table abc.t8 (n number); Table created. SQL> drop user abc cascade; User dropped.
Check the log:
cd /u02/app/oracle/diag/rdbms/prim/prim/log/ddl [oracle@localhost ddl]$ more log.xml <msg time=’2014-07-10T01:52:00.323-04:00′ org_id=’oracle’ comp_id=’rdbms’ msg_id=’kpdbLogDDL:15115:2946163730′ type=’UNKNOWN’ group=’diag_adl’ level=’16’ host_id=’usa0300lx574′ host_addr=’13.129.131.42′ version=’1′>