International Association of Scientific Innovation and Research (IASIR)
In the rapid growth of networking and information technology expands the business worldwide. As distributed database became more popular, the need for improvement in distributed database management system become even more important. Database provides inbuilt security to manage different levels of data but if the authors apply overall security from accessing the different levels of user's data to different levels of users, it will raise the performance complication and also slow down the normal function of the database server. The most important issue is security that may arise and possibly compromise the access control and the integrity of the system.