Consider an Association Between a Customers Class and a Sale

question 21

Short Answer

Consider an association between a Customers class and a Sale class in a Unified Modeling Language (UML) Class diagram. The multiplicities next to the Customers class are 1..1 and the multiplicities next to the Sale class are 0..*. Which of the following is the best way to implement that association in your database?
A. Post the primary key of Customers as a foreign key in Sales
B. Post the primary key of Sales as a foreign key in Customers
C. Create a linking table
D. None of the above

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Definitions:

Equilibrium

The state in which market supply and demand balance each other, resulting in stable prices.

Coconuts

Tropical fruits with a hard shell, edible flesh, and a clear liquid inside, often used in food and beverages.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, achieving market balance.

Inverse Demand Function

A mathematical representation showing how price adjusts based on the quantity demanded by consumers.