How To Create a Stored Outline To Avoid Full Table Scans On The Portal WWCTX_SSO_SESSION Table?
(Doc ID 749008.1)
Last updated on FEBRUARY 03, 2019
Applies to:Portal - Version 10.1.4.2 to 10.1.4.2 [Release 10gR2]
Information in this document applies to any platform.
The Cost Based Optimizer may choose to access Portal's session table WWCTX_SSO_SESSION$ using a Full Table Scan rather then an Index Range Scan. This can introduce performance problems especially when the session table has grown very large. <Note 566224.1> "Having performance issues with the Portal WWCTX_SSO_SESSION table?" explains this issue in full detail.
This note provides more information and instructions to implement solution (iv) from <Note 566224.1>. The instructions will help portal administrators to implement a stored outline for their session table.
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