Which of the Following Correctly Describes the Referential Integrity Rule

question 6

Multiple Choice

Which of the following correctly describes the Referential Integrity Rule?

• A)The primary key of a table must have data values (cannot be null).
• B)Each attribute in a table must have a unique name.
• C)The data value for a foreign key could be null.
• D)Values of a specific attribute must be of the same type.

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Definitions:

Sit-In

A form of protest where participants occupy a space, refusing to leave until their demands are met, often used in civil rights movements to combat racial segregation.

Autoworkers

Employees in the automotive industry involved in the production, marketing, and maintenance of automobiles.

General Strike

A large-scale strike action involving workers from multiple industries and professions, typically aiming at achieving political or economic goals.

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The process by which members of the United States Congress (House of Representatives and Senate) are elected by the public.