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Oracle® Database Administrator's Guide
11g Release 2 (11.2)

Part Number E17120-05
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Overview of Oracle Scheduler

To help you simplify the scheduling of hundreds or even thousands of tasks, Oracle Database includes Oracle Scheduler, an enterprise job scheduler. Oracle Scheduler (the Scheduler) is implemented by the procedures and functions in the DBMS_SCHEDULER PL/SQL package.

The Scheduler enables you to control when and where various computing tasks take place in the enterprise environment. The Scheduler helps you effectively manage and plan these tasks. By ensuring that many routine computing tasks occur without manual intervention, you can lower operating costs, implement more reliable routines, minimize human error, and shorten the time windows needed.

The Scheduler provides sophisticated, flexible enterprise scheduling functionality, which you can use to: