Which of the Following Is a Rule of Referential Integrity

question 19

Multiple Choice

Which of the following is a rule of referential integrity? ​

• A)A record can be added to a related table even if a matching record exists in the primary table.
• B)The value of the primary key in the primary table cannot be changed if matching records exist in a related table.
• C)A record in the primary table can be deleted if matching records exist in the related table.
• D)The Cascade Delete Related Records option cannot be used to delete records in the primary table as well as in a related table.

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Definitions:

Racial Groups

Categories of humans based on shared physical or social qualities into groups generally viewed as distinct within a given society, often constructed around characteristics like skin color or ancestry.

Racism

Bias, unfair treatment, or hostility towards individuals of another race, stemming from the conviction that one's own race is superior.

Communication Model

A theoretical framework describing the process through which information is transmitted and received between communicators.

Key Elements

Primary or essential components or factors that are necessary for the functionality or success of a system, process, or concept.