A FOREIGN KEY Constraint Can Only Reference a Column in Another

question 33

Multiple Choice

A FOREIGN KEY constraint can only reference a column in another table that has been assigned a(n) ____ constraint.​

• A) ​NOT NULL
• B) ​UNIQUE
• C) ​CHECK
• D) ​none of the above

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Definitions:

Tension

The physical or emotional strain caused by conflicting or demanding circumstances.

Stability

The condition of being resistant to change or variation, often used in psychological contexts to refer to emotional or mental consistency.

Primary Drives

Basic, instinctual drives that motivate behaviors necessary for survival, such as hunger, thirst, and avoidance of pain.

Physiologically-Based

Pertaining to the explanation or functioning of a phenomenon based on the biological processes and physical activities of living organisms.