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Oracle Database 11g New Features Adaptive Cursor Sharing

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Will we ever get the question of the use of bind variables over literals in our SQL answered?  Mix together the following in your Oracle database environment: large tables, skewed data, histograms (or lack of), bind variables, literals, the CURSOR_SHARING initialization parameter and bind variable peeking.  The mix can lead to uneven and poor performance. 

Oracle Database 11g provides an advanced solution, another answer to the question: Adaptive Cursor Sharing.  Via feedback from the runtime engine, 11g can deliver multiple solutions (execution plans) for the same query, without code changes.

In this tutorial you will receive a brief review of the terms previously mentioned and learn what feedback-based optimization and adaptive cursor shariing is. A demonstration is included.

Dec 4 - SkillBuilders Oracle 11g PL/SQL Programming Workshop

This free training is segmented in several separate lessons:

1. Introduction to Oracle Adaptive Cursor Sharing   (2:13)   (click to read the Transcript)
2. Review SQL Statement Processing   (2:14)  
3. Common Optimization Problems and 9i / 10g Solutions   (10:00)  
4. 11g Feedback Based Optimization   (2:19)  
5. Oracle 11g Adaptive Cursor Sharing Concepts   (1:58)  
6. How 11g Adaptive Cursor Sharing Works   (5:12)  
7. Demonstration of 11g Adaptive Cursor Sharing   (7:23)  
8. 9i and 10g Features with 11g ACS   (1:50)  
9. Adaptive Cursor Sharing Summary   (1:58)  

Date: Feb 8, 2012

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