The Entity-Relationship (E-R) model is _____.
A) a diagramming technique that describes record structures (i.e. the fields that make up the records of a file)
B) an alternative to indexing and hashing as a means for providing direct access in files
C) a diagramming technique that describes entities, their attributes, and the relationships between them
D) an alternative to file design in which attributes are used instead of fields
E) a diagramming technique that relates entities to each other, attributes to each other, and relationships to each other

Question

Quizplus · Accepted Answer

The E-R model is a diagramming technique used to describe entities, their attributes, and the relationships between them. Option A describes a different concept known as record structures, option B describes direct access methods, and options D and E are not accurate descriptions of the E-R model.

The Entity-Relationship (E-R) Model Is _____