There are arrangements in all database models that excess stockpiling of the information can be maintained a strategic distance from.

2-Security Over Unauthorized Access : 

This is the element found in the database that without  mobile database appropriate login, nobody can adjust or store database. The security can not be accomplished with the level document (Sequential) approach. 

3-Providing Persistent Storage for Database Objects : 

Database can be utilized as the relentless stockpiling of Program items, Database and Database structures. This implied an unpredictable object of programming dialects can be put away in the database. This gives greater adaptability and similarity of database over the programming dialects.