When all related relationships and nodes are covered by a sole organizational point, its called domain. Through this data management can be improved.
ROLAP eg.BO, MOLAP eg.Cognos, HOLAP, DOLAP
When the organization data is created at a single point of access it is called as enterprise data warehousing. Data can be provided with a global view to the server via a single source store. One can do periodic analysis on that same source. It gives better results but however the time required is high.
Partitioning a session means solo implementation sequences within the session. It’s main purpose is to improve server’s operation and efficiency. Other transformations including extractions and other outputs of single partitions are carried out in parallel.