Wednesday Jan 09, 2013

How does SQL Plan Management match SQL statements to SQL plan baselines?

Happy New Year to all of our readers!

As more and more of your systems migrate to Oracle Database 11g, SQL Plan Management (SPM) is becoming increasingly popular as a mechanism to maintain plan stability and subsequently system performance. However, one of the key frustrations folks encounter when using SPM is that the SQL plan baseline they painstakingly created is not used.

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The Oracle Optimizer blog is written by members of the Optimizer development team. The goal of this blog is to provide an insight into the workings of the Optimizer and the statistics it relies on. The views expressed on this blog are our own and do not necessarily reflect the views of Oracle and its affiliates. The views and opinions expressed by visitors on this blog are theirs solely and may not reflect ours.

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