Which of the Following Is NOT True About Referential Integrity

question 17

Multiple Choice

Which of the following is NOT true about referential integrity?

• A) The matching fields on both sides of the relationship have the same data types.
• B) You cannot enter a value in the foreign key field on the many side table that is not a primary key on the one side table.
• C) The primary key field values on the one side of the relationship must be unique.
• D) All foreign key fields and primary key fields must have values entered and cannot remain null.

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Definitions:

Elastic Supply

A scenario in which the amount of a product available for sale markedly changes in response to its price adjustments.

Social Security Tax

A tax levied on both employers and employees to fund the Social Security program, which provides benefits to retirees, disabled workers, and survivors of deceased workers.

Withholding Rate

The percentage of an employee's income that an employer holds back for tax purposes before paying the employee.

Labor Elasticity

The responsiveness of the quantity of labor supplied or demanded to changes in wages or employment conditions.