A Relation Is in 2NF If and Only If It

question 5

True/False

A relation is in 2NF if and only if it is in 1NF and all non-key attributes are determined by the entire primary key.

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Definitions:

Dissociative Amnesia

A dissociative disorder marked by an inability to recall important personal events and information.

Traumatic Episode

A distressing experience that causes intense emotional and physical reactions, which can lead to long-term psychological effects.

Cognitive-behavioral Therapy

A psychotherapeutic approach that enhances happiness and addresses difficulties by changing maladaptive emotions, behaviors, and cognitions.

Difficult Memories

Memories associated with negative emotions or traumatic events, which can cause distress when recalled.