A Rule That States That Each Foreign Key Value Must

question 52

Multiple Choice

A rule that states that each foreign key value must match a primary key value in the other relation is called the:

• A) referential integrity constraint.
• B) key match rule.
• C) entity key group rule.
• D) foreign/primary match rule.

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Definitions:

Annual Cash Operating Costs

Refers to the total amount of cash expenditures that a business incurs within one year to maintain its operations excluding non-cash expenses.

New Bus

A recently manufactured bus, not previously used or owned, often equipped with the latest features and technology.

Present Value

The current value of a future sum of money or stream of cash flows given a specified rate of return.

Annual Cash Operating Costs

The total amount of money a business spends on its operations over the course of a year, excluding non-cash expenses.