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  Oracle Tips by Burleson

Oracle Job Scheduling

Chapter 2 - Configuring Oracle Job Scheduling


  • start_date - The date when this window will take effect.  This may be in the future if the window is to be setup in advance.

  • repeat_interval - The definition of how often the window should open.  A value of NULL indicates that the window should only open once.

  • end_date - The date when this window will stop.  This combined with the start_date parameter enables a window to be scheduled for a finite period of time.

  • duration - The length of time in minutes the window should remain open.

  • window_priority - The priority (LOW or HIGH) of the window.  In the event of multiple windows opening at the same time, windows with a high priority take precedence over windows with a low priority, which is the default.

  • comments - Free text allowing the user to record additional information.

The following code shows how the create_window procedures can be used:

  -- Window with a predefined schedule.
  DBMS_SCHEDULER.create_window (
    window_name     => 'test_window_1',
    resource_plan   => NULL,
    schedule_name   => 'TEST_HOURLY_SCHEDULE',
    duration        => INTERVAL '30' MINUTE,
    window_priority => 'LOW',
    comments        => 'Window with a predefined schedule.');

The above text is an excerpt from:

Oracle Job Scheduling
Creating Robust Task Management with dbms_job and Oracle10g dbms_scheduler

ISBN 0-9744486-6-4

by Dr. Timothy S. Hall

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