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Oracle Brain Cramps? How simple mistakes can cripple your database

Oracle Database Tips by Donald Burleson

Full Presentation published at Oracle OpenWorld 2006

It's amazing how simple unobtrusive mistakes can cripple your database.  Oracle 10g is the world most robust and flexible database and it's not uncommon to find inappropriate configurations that perform miserably.  This presentation will draw from real-world consulting experiences and show actual examples of Oracle brain cramps and how to detect and the most common Oracle performance issues.

This presentation explores some of the root causes of Oracle performance bottlenecks and offers specific advice for detecting and correcting sub-optimal configurations. Drawn from real-word experiences with actual examples, this presentation shows how simple mistakes in global Oracle settings can have unforeseen side effects.  Examples will include sub-optimal initialization parameters, inappropriate parameters for tables & indexes, SQL optimizer traps and external issues such as disk and network configurations.  This is a do-not-miss session for anyone who wants to understand how small changes can have a dramatic impact on Oracle performance.

Key points include:

  • Understand common disk problems

  • Watch out for those optimizer settings

  • See legacy issues with 10g upgrades

  • See 'silly? Oracle  configurations

  • See what happens when you forget to take your DBA training

 

If you like Oracle tuning, you may enjoy my new book "Oracle Tuning: The Definitive Reference", over 900 pages of BC's favorite tuning tips & scripts. 

You can buy it direct from the publisher for 30%-off and get instant access to the code depot of Oracle tuning scripts.

 

 
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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. All legitimate Oracle experts publish their Oracle qualifications.

Errata?  Oracle technology is changing and we strive to update our BC Oracle support information.  If you find an error or have a suggestion for improving our content, we would appreciate your feedback.  Just  e-mail:  

and include the URL for the page.


                    









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