Date Added: Nov 2012
Data Warehouses are used for storing historic and current data and are used for creating trending reports for annual and quarterly comparisons for the enterprises. Data Warehouses are the most valuable assets which contains critical business data and information for the enterprises in today's world. Most of the existing data security solutions for databases consume too many resources or introduce too much overhead in query response and also results in incorrect detection of attacks. This makes sympathetic target for inside and outside attackers. In this paper, a clear illustration and review is exemplified on currently existing data security techniques and their use in Data Warehousing environments by focusing on specific issues.