dbms_job Oracle10g dbms_scheduler Chaining Oracle Jobs Conditional Job Runs Oracle Advanced Queuing job_chain_aq_setup dbms_aqadm Advanced Queueing job_chain_queue

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Oracle Job Scheduling

Chapter 4 - Chaining Oracle Jobs Together

Conditional Job Runs Using Oracle Advanced Queuing

SQL> exec dbms_scheduler.run_job ('job_chain_aq_task_1');

PL/SQL procedure successfully completed.

job_user@db10g> @job_chain_query.sql

CREATED_TIMESTAMP TASK_NAME
--------------------------- --------------------
07-AUG-2004 18:18:36.136000 TASK_1

1 row selected.

SQL> @job_chain_aq_query.sql

QUEUE MESSAGES
------------------------------ ----------TASK_2_QUEUE 1

1 row selected.

If the run of the second job is forced; the second task has read a message from its queue, completed its processing and placed a message on the queue for the third task.

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

http://www.rampant-books.com/book_2005_1_scheduling.htm

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