What Is the Role of a Foreign Key

question 52

Multiple Choice

What is the role of a foreign key?

• A) It is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• B) It is a unique way to identify each record.
• C) Is a field that uniquely identifies a give record in a table.
• D) All of these choices

---

Definitions:

Mental Illness

Conditions that affect a person's thinking, feeling, behavior, or mood, significantly impacting their ability to relate to others and function each day.

Trait Aggressiveness

A stable personality characteristic that predisposes individuals to engage in aggressive behaviors across a variety of situations.

Aggressiveness

The quality of being likely to attack or confront; characterized by or resulting from aggression.

Warrior Gene

A colloquial term for a variant of the MAOA gene that has been linked, controversially, to increased aggressiveness and risk-taking behaviors.