A rule that states that each foreign key value must match a primary key value in the other relation is called the:
A) referential integrity constraint.
B) key match rule.
C) entity key group rule.
D) foreign/primary match rule.

Question

Quizplus · Accepted Answer

Referential integrity constraint ensures that a foreign key value in one table must match an existing primary key value in another table, maintaining consistency across the database.

A Rule That States That Each Foreign Key Value Must