What Relationship Exists When a Primary Key May Appear Many

question 6

Multiple Choice

What relationship exists when a primary key may appear many times as a foreign key,and a foreign key must appear once and only once as a primary key?

• A)1:1
• B)1:M
• C)M:M
• D)M:1

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Definitions:

Quantity Demanded

The aggregate quantity of a product or service that buyers are ready to buy at a particular price point.

Quantity Supplied

The quantity of a commodity that producers are willing and able to sell at a particular price over a specified period of time.

Equilibrium

The state of the market when supply and demand are equal, ensuring stable prices.

Equilibrium Quantity

Equilibrium Quantity is the quantity of goods or services that is supplied and demanded at the equilibrium price, where the quantity supplied equals the quantity demanded in a market.