The Values of the Primary Key of a Relation ____

question 14

Multiple Choice

The values of the primary key of a relation ____.

• A) cannot be unique
• B) may be unique or non-unique
• C) must be unique
• D) must consist of a single attribute
• E) None of the above.

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Definitions:

Real Events

Real events refer to actual occurrences or happenings in the world, as opposed to fictional or imagined scenarios.

Repressed Memory

A psychological phenomenon where an individual unconsciously blocks out memories of a distressing event.

Sexual Abuse

Unwanted sexual activity, with perpetrators using force, making threats, or taking advantage of victims not able to give consent.

Conscious Awareness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.