检查ORACLE自己主动维护任务是否关闭
SQL> select t.client_name, t.status from dba_autotask_client t;
CLIENT_NAME STATUS
---------------------------------------------------------------- --------
auto optimizer stats collection DISABLED
auto space advisor DISABLED
sql tuning advisor DISABLED
SQL>
SQL> select t.client_name, t.status from dba_autotask_client t;
CLIENT_NAME STATUS
---------------------------------------------------------------- --------
auto optimizer stats collection DISABLED
auto space advisor DISABLED
sql tuning advisor DISABLED
SQL>