database management system.doc

Connolly and Begg define Database Management System (DBMS) as a "software system that enables users to define, create, maintain and control access to the database".

The DBMS acronym is sometime extended to indicated the underlying database model, with RDBMS for relational, OODBMS or ORDBMS for the object (orientated) model and ORDBMS for Object-Relational. Other extensions can indicate some other characteristic, such as DDBMS for a distributed database management systems.