DATABASE MANAGEMENT SYSTEM

DATABASE: - Database is the space defined on the media for holding files. It is just like the organisational cabinet where all the information about the organisation is consisted. OR
                        A database is a collection of related information storage, so that it is available to many users for different purpose.

DATABASE SYSTEM: - A database system is an integrated collection of related files, along with details of the interpretation of the data contained therein. OR

                        It is a sophisticated, computerized record keeping system, a repository for a collection of computerized data file. It maintains information and makes that information available on demand. The important advantage of database is to maintain integrity.

DATABASE MANAGEMENT SYSTEM: - A DBMS is a software system that allows access to data contained in a database. The objective of the DBMS is to provide a convenient and effective method of defining, storing and retrieving the information contained in the database. The DBMS is the major software component of a database system. The DBMS is a combination of hardware and software that can be used to set up and monitor a database & can manage the updating and retrieval of database that has been stored in it. The DBMS is an intermediary between the user and the database.

Most DBMS have the following facilities. (a)              Creating of a file, addition & deletion of the data, modification of data. (b)             Creation, addition and deletion of entire files. (c)              Retrieving data collectively or selectively. (d)             The data stored can be sorted or indexed at the user’s discretion and direction. (e)              To maintain data integrity and database use.