启用与禁用统计信息自动收集

适用于11g与12c


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  1. 11g的是 周一到周五 22:00-2:00 周六周日 6:00-4:00
  2. SELECT w.window_name, w.repeat_interval, w.duration, w.enabled
  3. FROM dba_autotask_window_clients c, dba_scheduler_windows w
  4. WHERE c.window_name = w.window_name
  5. AND c.optimizer_stats = 'ENABLED';
  6. 查看job
  7. select client_name,status from dba_autotask_client;
  8. 禁用自动收集
  9. exec DBMS_AUTO_TASK_ADMIN.DISABLE(client_name => 'auto optimizer stats collection',operation => NULL,window_name => NULL);
  10. 启用自动收集
  11. exec DBMS_AUTO_TASK_ADMIN.ENABLE(client_name => 'auto optimizer stats collection',operation => NULL,window_name => NULL)