12c如何监控DDL

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SQL show parameter ENABLE_DDL_LOGGING

NAME TYPE VALUE
———————————— ———– ——————————
enable_ddl_logging boolean FALSE
SQL alter system set ENABLE_DDL_LOGGING=true;

SQL create table look2 as select * from look;
Table created.
SQL drop table look2;
Table dropped.
SQL

txt create table look2 as select * from look
/txt
/msg
[oracle@cloud12c ddl]$ cat log.xml
msg time= 2017-11-21T13:33:37.964+08:00 org_id= oracle comp_id= rdbms
msg_id= opiexe:4695:2946163730 type= UNKNOWN group= diag_adl
level= 16 host_id= cloud12c host_addr= 10.60.17.99
pid= 7510 version= 1
txt alter table look modify (money visible)
/txt
/msg
msg time= 2017-11-21T13:47:54.747+08:00 org_id= oracle comp_id= rdbms
msg_id= opiexe:4695:2946163730 type= UNKNOWN group= diag_adl
level= 16 host_id= cloud12c host_addr= 10.60.17.99
pid= 7510
txt create table look2 as select * from look
/txt
/msg
msg time= 2017-11-21T13:50:03.002+08:00 org_id= oracle comp_id= rdbms
msg_id= opiexe:4695:2946163730 type= UNKNOWN group= diag_adl
level= 16 host_id= cloud12c host_addr= 10.60.17.99
pid= 7510
txt drop table look2
/txt
/msg
[oracle@cloud12c ddl]$ pwd
/u01/app/oracle/diag/rdbms/orcl/cloud/log/ddl