Which of the Following Is Not True About Subtype Entities

question 52

Multiple Choice

Which of the following is not true about subtype entities?

• A)Subtypes may be exclusive.
• B)The supertype and subtypes will have the same identifier.
• C)Subtypes are used to avoid a situation in which some attributes are required to be null.
• D)Subtypes have attributes that are required by the supertype.
• E)Subtypes can produce a closer-fitting data model.

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Definitions:

Arthritis

A condition characterized by inflammation of the joints, leading to pain and stiffness.

Fatiguing

The state of experiencing weariness or exhaustion, typically as a result of physical or mental exertion.

Competency

The ability of an individual to perform job functions properly, often referring to the blend of skills, knowledge, and behavior used in a professional context.

Right-to-Life

The belief or principle that human life, at all stages from conception to natural death, has an inherent value and should be protected.