If One Exists, a Data Modeler Uses a _____ as the Primary

question 30

Multiple Choice

If one exists, a data modeler uses a _____ as the primary key of the entity being modeled.

• A) foreign key
• B) combination key
• C) surrogate key
• D) natural identifier

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Definitions:

Isoelastic Demand Curve

A demand curve that has a constant price elasticity of demand at every point, indicating that the percentage change in quantity demanded in response to a percentage change in price is the same across the curve.

Algebraic Forms

Mathematical expressions that represent relationships between variables and constants in an equation form.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping from left to right.

Straight Line Demand

An economic model where the demand for a product changes at a constant rate relative to price changes, depicted as a straight line on a graph.