For a Binary One-To-One Relationship Between Two Entities a and B

question 83

Multiple Choice

For a binary one-to-one relationship between two entities A and B, the relationship is represented by:

• A) adding the primary key of A as a foreign key of B.
• B) adding the primary key of B as a foreign key of A.
• C) combining the two entities into one relation.
• D) creating a third relation to represent the relationship between the two entities.
• E) either A or B.

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Definitions:

Scarcity

Occurs when the amount people desire exceeds the amount available at a zero price.

Choice

The act of selecting between two or more possibilities, often present in decision-making processes.

Economics

The study of how people use their scarce resources to satisfy their unlimited wants

Physical Capital

Manufactured items used to produce goods and services; includes new plants and new equipment.