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Mastering Oracle Scheduler in Oracle 11g Databases

You're reading from Mastering Oracle Scheduler in Oracle 11g Databases Schedule, manage, and execute jobs in Oracle 11g Databases that automate your business processes using Oracle Scheduler with this book and eBook

Product type Paperback

Published in Jun 2009

Publisher Packt

ISBN-13 9781847195982

Length 240 pages

Edition 1st Edition

Languages

SQL

Tools

Oracle Scheduler

Concepts

Database Administration

Author (1):

Ronald Rood

View More author details

Table of Contents (15) Chapters

Mastering Oracle Scheduler in Oracle 11g Databases

Credits

About the Author

About the Reviewers

1. Preface

1. Simple Jobs FREE CHAPTER

2. Simple Chain

3. Control the Scheduler

4. Managing Resources

5. Getting Out of the Database

6. Events

7. Debugging the Scheduler

8. The Scheduler in Real Life

9. Other Configurations

10. Scheduler GUI Tools

Bugs

In addition to the permissions on these files, there also happen to be bugs in the Scheduler. If you ever plan to use chains, apply the patch for bug 5705385. It should be fixed in 11.1.0.7 and 10.2.0.5, and is available as one-off patch for 10.2.0.3 and 10.2.0.4. This bug causes the situation in which a running chain exists without a running job. If you don't have this patch and you start a job that is running a chain, it ends successfully. The next run terminates upon startup. The third start will have the chain running again and the fourth run will again terminate upon startup.

By definition, no running chain can exist when there is no running job that runs the chain. Without this fix, the situation is a little different; a chain can exist in *_SCHEDULER_RUNNING_CHAINS without a job in *_SCHEDULER_RUNNING_JOBS.

Starting the job again cleans this situation up. In case you cannot apply this patch, it is possible to use the job event queue to trigger the detection of this situation...

The rest of the chapter is locked

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Authors (1)

Ronald Rood

Ronald Rood

Ronald Rood has been an IT professional for over 20 years. His roots are in the Bull gcos8 mainframes where he played with assembly language until Oracle and UNIX came across his path. He eagerly joined the Oracle community and became a skilled innovating DBA and trouble shooter. Ronald's real power is in the combination of the rich UNIX world and Oracle. There is no such thing as a problem that can not be solved; it just might take a little time. Next to C, PRO*C, lots of scripting languages and – of course – PL/SQL, he also speaks Dutch, English, German, and some French. In his private time that he shares with his family with two children he likes to take an occasional dive (from the sky), fly radio controlled models, ride recumbent, and work as a volunteer for a local Water Scouts group. Currently Ronald is one of the Ciber oracle consultants in The Netherlands and cooperates in many projects for many large companies. Before writing this book Ronald wrote oracle related articles for the Dutch oracle user group magazine. On his blog you can find some short articles about various items, mostly oracle related. Ronald Rood has been interviewed by Oracle about Oracle Scheduler. Listen to it here here.

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