Inside the Oracle Optimizer - Removing the black magic: Oracle Open World follow up

Tuesday, October 14, 2008

Oracle Open World follow up

We were delighted to see so many people turn up for our Open World session - Inside the 11g Optimizer - so early on Tuesday morning! A lot of people have been asking where they can find more information on the topics covered especially the demos that were shown. You can find similar worked examples for most of the new 11g Optimizer features on the Oracle By Example website. You can also get more information on SQL Plan Management in the following white paper. Our blog entry from December 2007 has more information on Adaptive Cursor Sharing while the January 2008 entry gives more details on the enhancements made to statistics. We hope you enjoyed Oracle Open World as much as we did!

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Upcoming events & presentations

Oracle Open World, the largest gathering of Oracle customers, partners, developers, and technology enthusiasts will happen October 2-6 in San Francisco. Of course the Optimizer development group will be there and you will have multiple opportunities to meet the team, in one of our technical sessions, or at the Oracle demogrounds.

This year the Optimizer team has 3 technical sessions;

Monday, October 3rd at 12:30pm our hands on lab, Oracle Optimizer: Prevent Suboptimal Execution Plans
Session 29380 at the Marriott Marquis - Salon 12 / 13
In this hands on lab you will get an opportunity to solve 4 SQL tuning problems either on your own or with the help of the Optimizer development team. The problems will include scenario like, why was my index not selected, why statistics were ignored, and many more.

Wednesday, October 5th at 10 am Oracle Optimizer: Best Practices for Managing Optimizer Statistics
Session 13961 at Moscone South - room 103
In this session we will discuss the features introduced in Oracle Database 11g to improve the quality and efficiency of statistics-gathering as well as strategies for managing statistics in various database environments.

Thursday, October 6th at 12 noon Oracle Optimizer: Tips for Preventing Suboptimal Execution Plans
Session 14069 at Moscone South - room 104
This session is a continuation from a session we did last year called Top Tips for getting optimal SQL execution every time. This year we answers questions like why an index wasn't used, why partition eliminations did not occur, why statistics were ignored, and many more. With clear how-to examples, you will learn to identify and quickly resolve these issues without the need for optimizer hints or
initialization parameters.

If you have some burning Optimizer or statistics related questions, you can ask them at the Optimizer demo booth in the Database area of the demogrounds. Members of the Optimizer development team will be there Monday to Wednesday from 9:45 am until 5:30pm. The full searchable OOW catalog is on-line, or you can browse the speakers by name. So start planning your trip today!