When Changing the Minimum Cardinality on the Parent Side of the Relationship

question 69

Multiple Choice

When changing the minimum cardinality on the parent side of the relationship from zero to one,the foreign key ________.

• A)must be changed from NULL to NOT NULL
• B)must be changed from NOT NULL to NULL
• C)must be changed to a composite key
• D)must be changed to a surrogate key

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Definitions:

Brain Function

The activities and processes that the brain performs, including cognition, emotion, and control of bodily functions.

Brain Structure

The physical composition and organization of the brain, including areas responsible for processing information, emotions, and controlling bodily functions.

Disease

A condition that impairs normal functioning and is typically manifested by distinguishing signs and symptoms.

Large Intestine

The last part of the gastrointestinal tract, responsible for water absorption and the formation of feces.