Match the Database Integrity Rule to the Appropriate Definition

question 19

Multiple Choice

Match the database integrity rule to the appropriate definition.
-Rule 3: Domain Integrity

• A)Each record in the database must have a unique identifier called a primary key.
• B)Data referenced and stored in related tables must be consistent across the database.
• C)The field values must be from a predefined domain.
• D)The primary key value cannot be null (empty).

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Definitions:

Human Capital

The collective skills, knowledge, and experience possessed by an individual or population, viewed in terms of their value to an organization or country.

Equilibrium Wage

The compensation level at which labor supply meets labor demand.

Economic Profit

Total revenue minus total cost, including both explicit and implicit costs.

Barbershops

Establishments that provide hair cutting, grooming, and sometimes additional services primarily for men.