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                   DATABASE MANAGEMENT SYSTEM (DBMS)

In Short:--


  • A Database Management System (DBMS) is a collection of programs that enables users to create and maintain tables.
  • The DBMS is a general purpose software system that facilitates the processes of defining, constructing, manipulating and sharing databases among various users and applications.
  • DBMS includes :--
  1. A modeling language to define the schema of each database hosted in the DBMS, according to the DBMS data model.
  2. Data Structures (fields, records and files) optimized to deal with very large amounts of data stored on a permanent data storage device.
  3. A database query language to allow users to interactively interrogate the database, analyze its data and update it according to the users privileges on data.
  4. A transaction machine, that ideally would guarantee the ACID properties, in order to ensure data integrity, despite concurrent user access and faults.

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