A foreign key is ________.
A)an attribute that is present in only one table
B)a primary key which appears as an attribute in a different table
C)a unique value or attribute that determines a primary key
D)a field, or a group of fields, that makes each record unique in a table

Question

Quizplus · Accepted Answer

A foreign key is a primary key which appears as an attribute in a different table. It creates a relationship between two tables and is used to ensure referential integrity.

A Foreign Key Is ________