Data isolation in multi-tenant SaaS environment

Data of any organization increases day by day and emergence of different technologies brings challenge in maintenance and security of data. Data isolation in SaaS application needs a different approach to manage it. It requires a approach which assures isolation with low cost ownership. It should also maintain high quality security mechanism to protect it. New approach different than traditional approaches, is discussed in this paper named as shared database shared schema and shared table approach. It is a cost effective approach to save resources and response time.