When Multiple Fields Are Used to Identify a Record,it Is

question 24

True/False

When multiple fields are used to identify a record,it is a composite key,which is sometimes referred to as a concatenated key.

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Definitions:

Economies of Scale

The cost advantages that enterprises obtain due to scale of operation, with cost per unit of output generally decreasing with increasing scale as fixed costs are spread out over more units of output.

Selling Below Cost

The practice of offering goods or services for sale at a price that is less than the total cost to produce and sell them.

Merchandise Trade Deficits

A situation where a country's value of imports of physical goods exceeds the value of its exports.

Protection

In economics, referring to measures like tariffs and quotas that a country uses to shield its domestic industries from foreign competition.