Database Management System (DBMS)


  • It is a software, with computer program that functioned to control the creation, maintenance, and the use of the database.
  • It allow the database to develop for various applications by database administrators (DBAs) and other specialists.
  • It also allows different user application program to concurrently access the same database.
  • It use variety of database models to describe and support applications, such as:
i ) Relational model
ii) Object model
  • It usually supports query languages (hll).
  • It also providing the facilities for controlling data access, enforcing data integrity, managing concurrency control, recovering the database after failure and restoring it from backup files, as well as maintaining the database security. 



      Overview

  • A set of software program that control the system organization storage, management, and retrieval of data in a database.
  • Categorized according to their data structures or types.
  • Accept data requested from application program, then instruct the operating system to transfer the requested data.
  • Allowing information system to be easily changed. Such as, adding new categories of data without disumption the existing system.





en.wikipedia.org

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