Define Primary Key, Foreign Key, and Metadata

question 73

Essay

Define primary key, foreign key, and metadata.

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Definitions:

Posttraumatic Stress Disorder

A psychiatric disorder that may occur in people who have experienced or witnessed a traumatic event.

Recur

To occur again or repeatedly, often at regular intervals.

Decades

Periods of ten years.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about various aspects of life.