Tables in a Relational Database Are Documented by a Data

question 22

True/False

Tables in a relational database are documented by a data flow diagram.

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Definitions:

Herfindahl Index

An economic measure of market concentration, calculated by summing the squares of the market shares of all competitors within an industry.

Industry Concentration

A measure of the extent to which a small number of firms dominate the total production, sales, or market share in an industry.

Elastic

A measure in economics indicating how much the demand or supply of a good changes in response to a change in price.

Marginal Revenue

The extra revenue gained by selling an additional unit of a product or service.