* Restricting Unauthorized Access
* Providing Persistent Storage
* Permitting Inferencing
* Providing Multiple User Interfaces
* Presenting Complex Relationship
* Enforcing Integrity Constraints
* Providing Backup and Recovery
People indirectly involved in DB
These people are not interested in the DB itself but they are providing the necessary environment for the DB users.
* DBMS system designers and implementers
The persons who design and implement the DBMS modules.
* Tool Developers
The persons who design the tools which enables DB users in design and use their DB
* Operators and Maintenance personnel
The persons responsible for running and marinating the software and hardware environment for the DB system.
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