How To Create a Stored Outline To Avoid Full Table Scans On The Portal WWCTX_SSO_SESSION Table ?
Last updated on MARCH 08, 2017
Applies to:Portal - Version 10.1.4.2 to 10.1.4.2 [Release 10gR2]
Information in this document applies to any platform.
***Checked for relevance on 03-Mar-2015***
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.
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms