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:

Storage Racks

Shelving units or frameworks designed for the organized storage of items, goods, or materials in both residential and commercial spaces.

Price Fixing

Price Fixing is an illegal practice where competing companies agree to set the same price for their products or services, eliminating competition.

Conspiracy

A secret plan by a group to do something unlawful or harmful, or the belief in such secret schemes.

Product

An item, service, or idea offered to the market for consumption, use, or acquisition.