An Attribute in a Relation of a Database That Serves

question 21

Multiple Choice

An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a:

• A) link attribute.
• B) link key.
• C) foreign key.
• D) foreign attribute.

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Definitions:

Dissociative Amnesia

A disorder characterized by memory gaps regarding personal information, usually due to trauma or stress.

Physical Flight

An escape or avoidance reaction in response to perceived danger or threat, characterized by a physical departure from the situation.

Fugue

A rare psychiatric disorder characterized by reversible amnesia for personal identity, including the memories, personality, and other identifying characteristics of individuality.

Comorbidity

A situation where a patient is simultaneously affected by more than one disease or medical problem.