Why do relational databases use primary keys and foreign keys?
A) To create an entity.
B) To create physical relationships.
C) To create logical relationships.
D) To create an attribute.

Question

Quizplus · Accepted Answer

Primary keys and foreign keys are used in relational databases to create logical relationships between different tables. This allows for the organization and retrieval of related data across these tables.

Why Do Relational Databases Use Primary Keys and Foreign Keys