Composite Primary Keys Are Particularly Useful as Identifiers of Composite

question 67

Multiple Choice

Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed only once in the _____ relationship.

• A) 0:1
• B) 1:1
• C) 1:M
• D) M:N

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Definitions:

Supply Reduction

A decrease in the amount of a good or service that producers are willing to provide, often due to factors like high production costs or regulatory measures.

Union

A worker association that bargains with employers over wages and working conditions.

Employed

The state of having paid work; a person who performs work for wages or salary in a part-time or full-time position.

AFL-CIO

The American Federation of Labor and Congress of Industrial Organizations, a federation of labor unions in the United States.