Entity-relationship (ER) diagrams consist of _____.
A) entities, business rules, and relationships
B) attributes, business rules, and relationships
C) entities, attributes, and relationships
D) entities, attributes, and data dictionaries

Question

Quizplus · Accepted Answer

ER diagrams consist of entities, attributes, and relationships. Entities are the objects or concepts within a system, while attributes describe the properties or characteristics of those entities. Relationships define the associations or interactions between entities. ER diagrams do not typically include business rules or data dictionaries, although these may be used alongside the diagram. Therefore, the best choice is C.

Entity-Relationship (ER) Diagrams Consist of _____