A Foreign Key Is a Data Field in the Records

question 39

True/False

A foreign key is a data field in the records of one file that references a primary key in the records of another file.

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Definitions:

Utility

A measure of satisfaction or pleasure obtained from consuming goods and services.

Indifference Curves

Graphical representations in economics that show different bundles of goods between which a consumer is indifferent, meaning that the consumer has no preference for one bundle over another.

Concave

A shape or curve that is curved inward, resembling the interior of a circle or sphere, often used in the context of economic functions.

Tangency

A point at which two lines or curves meet without intersecting, often used in economics to find points of optimization, such as in budget constraints or indifference curves.