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Discuss the meaning of each of the following terms: (a) Data (b) database (c) database management system (d) application program (e) data independence

Discuss the meaning of each of the following terms:
(a) Data
(b) database
(c) database management system
(d) application program
(e) data independence

Answers

kelvin
(a) Data
For end users, this constitutes all the different values connected with the various objects/entities that are of concern to them.
(b) database
A shared collection of logically related data (and a description of this data), designed to meet the information needs of an organization
(c) database management system
A software system that: enables users to define, create, and maintain the database and provides controlled access to this database.
(d) application program
A computer program that interacts with the database by issuing an appropriate request (typically an SQL statement) to the DBMS.
(e) data independence
This is essentially the separation of underlying file structures from the programs that operate on them, also called program-data independence.
kevowmuchiri answered the question on July 4, 2018 at 15:07

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