[Editor: This is the fourth in a multi-part series from Nirzari Raichura, a senior member of our ATG Certification team, on essential Fusion Middleware concepts and tools for the EBS sysadmin]

Oracle Business Intelligence Discoverer is an ad-hoc query, reporting, analysis, and Web-publishing tool that allows end-users to work directly with Oracle E-Business Suite OLTP data.  We certified Discoverer 11g version 11.1.1.3 (a.k.a. Patchset 2) with the E-Business Suite a few weeks ago.  

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With that recent certification, I think it’s time to cover the installation and configuration of Discoverer 11g with E-Business Suite.  Discoverer 11g’s integration with the E-Business Suite works identically to Discoverer 10g, and all of the business intelligence functionality continues to work as in previous Discoverer releases.  The major changes in this release come from Discoverer’s installation dependencies on Oracle Application Server components.
 
As with other Fusion Middleware components, Oracle Weblogic Server is the required application server for Discoverer 11g.  Like Oracle Identity Management 11g, Discoverer is loosely-coupled with Fusion Middleware’s database and application server components.  Discoverer 11g Install comes bundled with Oracle Portal, Oracle Forms, and Oracle Reports, as in previous releases like Discoverer 10g.  Since it is loosely coupled with other Fusion Middleware components, you need to install a number of prerequisites prior to discoverer 11g install. All of these middleware components have to be at the same version level to work together.  I have summarized these dependencies in the following table:  
Table summarizing Discoverer 11g prerequisites
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