Date Added: Feb 2011
This paper is to give an overview of security relevant aspects of existing data warehouse solutions. Data warehousing has increasingly become an important and rather essential phenomenon in the world of enterprise data storage. It contains confidential and sensitive data. In order to use its data, one must have proper authorization. So that Access permissions in data warehouse are currently managed in separate world from the source policies. The protection of data privacy and confidentiality in underlying warehouse is guaranteed through reliable security measures in different area. In current ware house systems, the warehouse administrator is given complete authority to grant user permissions. The authors also propose different security policies to secure data from mutually suspicious parties.