some important points /enhancements in obiee11g when compared with obiee10g

Oracle Business Intelligence Enterprise Edition (OBIEE) 11g is the most significant release of OBIEE since 2006.

This article contains the significant changes and new features of OBIEE 11g.

  1.  Oracle Business Intelligence is now more integrate with the Oracle Fusion Middleware software family.

2. Oracle WebLogic Server replaces Oracle Application Server and Oracle Containers for Java (OC4J).

3. Oracle Business Intelligence 11g Installer replaces the installer that was used in previous versions of Oracle Business Intelligence. It can perform software installation and configuration steps in the same process or separately in their own processes

4. This release add the following administration command-line utilities:
      a:  Oracle WebLogic Server scripting tool (WLST) for managing the Oracle WebLogic Server domain.
     b:   OPMN and the opmnctl commands for the Oracle Process Manager and Notification Server.
  
5.A database repository must be created before installation of the components with the Repository Creation Utility (RCU) tool
6.  Log centralization via the web log viewer

In addition, Oracle Business Intelligence is now deployed in a clustered configuration by default. Because of this, the default ODBC DSN for the Oracle BI Server points to the Cluster Controller by default, rather than to the Oracle BI Server.