cardinality feedback

articles: http://jonathanlewis.wordpress.com/2009/12/16/adaptive-optimisation/ 
http://viveklsharma.wordpress.com/2010/10/28/cardinality-feedback-11g-new-auto-optimization-feature/


Bug 8608703 - SubOptimal Execution Plan created by Cardinality Feedback [ID 8608703.8]

Affects:

Product (Component)	Oracle Server (Rdbms)
Range of versions believed to be affected	Versions >= 11.1.0.7 but BELOW 12.1
Versions confirmed as being affected	11.2.0.1
Platforms affected	Generic (all / most platforms affected)

Fixed:

This issue is fixed in

12.1 (Future Release) 11.2.0.2 (Server Patch Set) 11.2.0.1 Bundle Patch 6 for Exadata Database