Match the Database Integrity Rule to the Appropriate Definition

question 16

Multiple Choice

Match the database integrity rule to the appropriate definition.
-Rule 4: Referential 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:

Overload Conditions

Situations where electrical or mechanical components are subjected to currents or forces greater than they are designed to handle, potentially causing damage.

Electrical Jumper

A conductor used to close or bypass part of an electrical circuit or to connect two points together.

Line

In electrical contexts, "line" refers to a conductor or circuit that carries electric current from the power source to a load or from one part of a system to another.

Load Sides

Refers to connections or aspects of an electrical system that are downstream from the power supply and are responsible for drawing power.