how to install obiee 11g on windows xp

For Installing RCU use below link

https://sites.google.com/site/oraclebusinessintelligence11g/creating-metadata-repository-using-oracle-repository-creation-utility

For installing loopback adapter use below link

https://sites.google.com/site/oraclebusinessintelligence11g/installing-a-loopback-adapter-on-windows-xp

For installing obiee 11g Refer below link

https://sites.google.com/site/oraclebusinessintelligence11g/install-obiee-11g-on-windows-xp

How to replace nulls in pivot table ?

Use below link

http://total-bi.com/2010/10/replace-nulls-in-obiee-pivot-table/

Learning OBIEE external table security

a very nice write up by kumar ,

https://obieeblog.wordpress.com/tag/obiee-authentication/

Must read.!