In 10g, many diagnostic tools like ASH and AWR were embedded into the database. In 11g they were automated to collect the data into a central location. In 12c reports were automated so that DBAs did not need to schedule the jobs and generate reports late at night to look at in the morning. Sep 26, 2007  Oracle Database 11g: Automatic SQL Tuning - Page 3. By Jim Czuprynski. Procedure DBMSAUTOTASKADMIN.ENABLE permits the DBA to enable or disable SYSAUTOSQLTUNINGTASK, the task that controls the execution of AST. Just as if it had been run in background during its normally scheduled execution time. EM Repository's DBMS Jobs Display Invalid Schedule Status in the Console Page 1 Oracle Scheduler Does Not Execute Any Jobs After Applying Windows Database Bundle Patch. Jul 27, 2015 DBAAUTOTASKSCHEDULE Schedule of automated tasks for next 32 days. SYSAUTOSQLTUNINGTASK is the default name of the Automatic SQL Tuning task.

1. Sys_auto_sql_tuning_task Stop
2. Sys_auto_sql_tuning_task Schedule Template
3. Sys_auto_sql_tuning_task Schedule 2017

Sys_auto_sql_tuning_task Stop

Disable and Enable Auto task Job for 11g and 12c version in Oracle

Download mp3 gratis david cook-come back to me youtube. Automated database maintenance tasks is used by oracle to auto tune the SQL Queries, stale stats gather and space advisory. Some time this jobs change the execution plan and caused performance issue.

Following jobs is configured default by Oracle:
Automatic Optimizer Statistics Collection- Gathers stale or missing statistics
Automatic Segment Advisor – Identifies segments that reorganized to save space
Automatic SQL Tuning Advisor – Tune high load SQL

Disable all three jobs, you can used following command:

For Disable:
EXEC DBMS_AUTO_TASK_ADMIN.disable;

For Enable:
EXEC DBMS_AUTO_TASK_ADMIN.enable;


Disable one by one follow following commands:

1. Check the enabled job present in oracle database

SQL> SELECT client_name, status FROM dba_autotask_client;

2. Disable the following jobs

SQL> EXEC DBMS_AUTO_TASK_ADMIN.DISABLE(client_name=>'sql tuning advisor', operation=>NULL, window_name=>NULL);

SQL> EXEC DBMS_AUTO_TASK_ADMIN.DISABLE(client_name=>'auto space advisor', operation=>NULL, window_name=>NULL);

SQL> EXEC DBMS_AUTO_TASK_ADMIN.DISABLE(client_name=>'auto optimizer stats collection', operation=>NULL, window_name=>NULL);

PL/SQL procedure successfully completed.

3. Check the status again for auto task jobs

SQL> SELECT client_name, status FROM dba_autotask_client;

4. Enable the auto task jobs:

SQL> EXEC DBMS_AUTO_TASK_ADMIN.ENABLE(client_name=>'sql tuning advisor', operation=>NULL, window_name=>NULL);

Sys_auto_sql_tuning_task Schedule Template

SQL> EXEC DBMS_AUTO_TASK_ADMIN.ENABLE(client_name=>'auto space advisor', operation=>NULL, window_name=>NULL);

SQL> EXEC DBMS_AUTO_TASK_ADMIN.ENABLE(client_name=>'auto optimizer stats collection', operation=>NULL, window_name=>NULL);

Sys_auto_sql_tuning_task Schedule 2017

PL/SQL procedure successfully completed.