Analysis of security techniques and issues in Data Warehouse

The importance of data warehouses in organizations has grown increasingly during this decade, and today they constitute one of the main trends for the development of information technology. Data warehouse system consolidates large data from multiple different sources and these are used by decision makers to analyze the status and the development of an organization. Data warehouses are becoming very vital and beneficial for many types of strategic decisions. Data Warehouse stores large amount of valuable data so it is very important to set a security, from primary stages of data warehouse design so that data must be secured in an effective fashion. Significance of security, security approaches and their issues have been provided in this paper.