For a binary one-to-one relationship between two entities A and B, the relationship is represented by:
A) adding the primary key of A as a foreign key of B.
B) adding the primary key of C as a foreign key of D.
C) combining the two entities into one relation.
D) creating a third relation to represent the relationship between the two entities.
E) deleting the primary keys.

Question

Quizplus · Accepted Answer

In a binary one-to-one relationship between entities A and B, we add the primary key of A as a foreign key of B to represent the relationship. This creates a link between the two entities and allows for easy retrieval of data. Options B, C, D and E do not represent the correct way of representing a binary one-to-one relationship between entities A and B.

For a Binary One-To-One Relationship Between Two Entities a and B