The E-R model is expressed in term of
I. Entities.
II. The relationship among entities.
III. The attributes of the entities.
IV. Functional relationship.

Question

The E-R model is expressed in term of I. Entities. II. The relationship among entities. III. The attributes of the entities. IV. Functional relationship.

Accepted Answer

Correct answer: D — The Entity-Relationship (E-R) model is a conceptual framework used to design databases. It fundamentally comprises three core elements: Entities (objects or concepts), Attributes (properties describing entities), and Relationships (associations between entities). Functional relationships are not considered a primary component of the standard E-R model definition.

Answer

A. I,II

Answer

B. I,II,IV

Answer

C. II,II,IV

Answer

D. I,II,III

The E-R model is expressed in term of I. Entities. II. The relationship among…