A Rule That Requires Every Value in a Foreign Key

question 68

Short Answer

A rule that requires every value in a foreign key to match values in the corresponding primary key is called a(n)________ constraint.

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Definitions:

Deadweight Loss

A loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is not achievable.

Actual Production

The quantity of goods or services produced by a firm, industry, or economy within a specific period, factual and not estimated.

Consumer Surplus

The variance between what consumers are ready and capable of spending on a product or service and the actual sum they end up paying.

Producer Surplus

The difference between what producers are willing to accept for a good or service and the actual price they receive, reflecting the benefit to producers from higher prices.