Which Type of Data Models Allows Each Record to Have

question 50

Multiple Choice

Which type of data models allows each record to have multiple parent and child records?

• A)The hierarchical mode.
• B)The network model.
• C)The relational model.
• D)None of these choices is correct.

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Definitions:

Utility Function

A numerical model that explains how a consumer gains pleasure or usefulness from using goods and services.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, holding the consumer's utility level constant.

Income Effect

The alteration in the income of a person or the economy, and its effect on the amount of a product or service that is requested.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, causing consumers to substitute away from more expensive goods towards cheaper ones.