Which of the following statements about foreign keys is not true?
A)A foreign key can be a combination of attributes.
B)A foreign key should never be linked to a primary key in another table.
C)Foreign key must match values of the linked primary key.
D)Foreign keys support a defined association.

Question

Quizplus · Accepted Answer

A foreign key is a field in one table that refers to the primary key in another table. Therefore, it should always be linked to a primary key in another table. Option A, C, and D are true statements about foreign keys.

Which of the Following Statements About Foreign Keys Is Not