Define the Database Management System.
Database Management System > Introduction to DBMS > DBMS Overview
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Answer:
1. A Database Management System (DBMS), or simply a Database System (DBS), consists of :
- A collection of interrelated and persistent data (usually referred to as the Database (DB)).
- A set of application programs used to access, update and manage that data (which form the data Management System (MS)).
2. The goal of a DBMS is to provide an environment that is both convenient and efficient to use in :
- Retrieving information from the database.
- Storing information into the database.
3. Databases are usually designed to manage large bodies of information. This involves :
- Definition of structures for information storage (data modeling).
- Provision of mechanisms for the manipulation of information (file and systems structure, query processing).
- Providing for the safety of information in the database (crash recovery and security).
- Concurrency control if the system is shared by users.
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