Database Management System (DBMS)• A software system that enables users to define, create, and maintain the database and that provides controlled access to this database.
Views•
Allows each user to have his or her own view of the database.
• A view is essentially some subset of the database.
• Benefits include:
• Reduce complexity;
• Provide a level of security;
• Provide a mechanism to customize the appearance of the database;
• Present a consistent, unchanging picture of the structure of the database, even if the underlying database is changed.
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