Which of the Following Statements About Foreign Keys Is Not

question 25

Short Answer

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 cannot be NULL
C. Foreign key must match values of the linked primary key
D. Foreign keys support a defined association

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Definitions:

National Labor Relations Board

An independent federal agency in the United States that enforces US labor law in relation to collective bargaining and unfair labor practices.

Lockout

A lockout occurs when an employer denies employees access to the workplace.

Impasses

Situations in negotiations (often labor negotiations) where the parties involved are unable to reach an agreement, leading to a deadlock.

Union Actions

Activities undertaken by labor unions, including strikes and negotiations, aimed at securing better conditions for their members.