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:

Voting Rights Bill

Legislation aimed at protecting or expanding the right to vote, often by removing barriers to voter registration and participation.

North

A geographical and cultural region, often referred to in the context of the division between the Northern and Southern United States before and during the Civil War.

New South

Atlanta Constitution editor Henry W. Grady’s 1886 term for the prosperous post–Civil War South he envisioned: democratic, industrial, urban, and free of nostalgia for the defeated plantation South.

Industrial Expansion

Industrial expansion denotes the widespread increase in production and distribution of goods due to advancements in technology, transportation, and communication, transforming economies and societies in the process.