A data model is the diagrammatic representation of a database that clearly defines a database's ___ , ____ and ____.
A) Entities, attributes, relationships.
B) Entity classes, hierarchy, files.
C) Data hierarchy, data attributes, data files.
D) Entity classes, entity attributes, entity files.

Question

Quizplus · Accepted Answer

A data model clearly defines the entities (objects or concepts) within a database, the attributes (characteristics or properties) of those entities, and the relationships between the entities.

A Data Model Is the Diagrammatic Representation of a Database