DBA Automated Maintenance Tasks
Description
Categories: Enginatics
Repository: Github
Repository: Github
There are several automated jobs and 'advisors' running by default in an Oracle database that are often not required or should not run in Oracle EBS environments. Their status and history can be queried by the following SQLs:
select dao.* from dba_autotask_operation dao
select dajh.* from dba_autotask_job_history dajh
- Automatic Optimizer Statistics Collection
For EBS, the automated DB statistics collection must be deactivated by setting DB initialization parameter _optimizer_autostats_job=false, and concurrent 'Gather Schema Statistics' scheduled instead, see note 396009.1 https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&id=396009.1 ... more
select dao.* from dba_autotask_operation dao
select dajh.* from dba_autotask_job_history dajh
- Automatic Optimizer Statistics Collection
For EBS, the automated DB statistics collection must be deactivated by setting DB initialization parameter _optimizer_autostats_job=false, and concurrent 'Gather Schema Statistics' scheduled instead, see note 396009.1 https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&id=396009.1 ... more
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select dawc.* from dba_autotask_window_clients dawc |