OBIEE 10g vs OBIEE 11g?

What is the difference between OBIEE 10g and OBIEE 11g?

A Database Repository must be created  before installing OBIEE by using Repository Creation Utility(RCU) tool

OBIEE 11g uses a WEBLOGIC server as Applictaion server whereas OBIEE 10g uses OC4J

Many configuration settings (such as uploading a repository into BI server) can be done using EM

OBIEE 11g displays table names and COLUMN NAMES while mapping whereas OBIEE 10g displays only table names

OBIEE 11g join is done from fact to dimension where as in 10g join is done from dimension to fact

In 10g Users and Groups(or Roles) are created in repository whereas in 11g Users and Groups are created in EM

Groups  no longer exist and are replaced by Application roles. Data level security is implemented by using Application roles to which users belong to.
In Presentation Catalog, AuthenticatedUser role is used instead of Everyone group

LTS priority ordering is introduced

We can model LOOK UP TABLE is repository

Presentation layer Hierarchies are introduced

New time series functions PERIOD ROLLING and AGGREGATE AT is introduced

TIME SERIES functions can be created in the front end also

AGGREGATE PERSISTENCE WIZARD creates indexes automatically

SESSION VARIABLES are intialised only when they are used

In addition to the existing views, Map View is introduced in 11g

RAGGED and SKIPPED HIERARCHY are supported in 11g

PARENT CHILD Hierarchy is introduced

Presentation Variable can hold multiple values

KPI's and SCORECARD's are introduced in 11g

ACTION LINKS, MASTER-DETAIL reports, SELECTION STEPS are introduced

SELECT_PHYSICAL is supported 

REQUESTS are renamed as ANLAYSIS

IBOTS are renamed as AGENTS

CHARTS are renamed as GRAPHS