A mechanism that keeps the specific physical address of data or an object unknown to the user. This is done…
A system for storing, maintaining, and retrieving location information. One technique is to locate a specific position with respect to…
Also called “data mart.” A database that serves individual systems and workgroups as the end point for shared data distribution.…
An older computer system or application program that an agency continues to use. Many legacy systems are unable to meet…
Also called “federated database.” A collection of autonomous and possibly heterogeneous database systems over multiple sites that are connected through…
An information systems framework that describes: (1) business rules—functions a business performs and the information it uses; (2) system structure—definitions…
A computer program interface that takes advantage of a computer’s graphics capabilities to make a program easier to use. Well-designed…