You Cannot Have an Invalid Entry in the Foreign Key

question 38

Multiple Choice

You cannot have an invalid entry in the foreign key column; at the same time, you cannot delete a vendor row as long as a product row references that vendor. This isknown as _____.

• A) batch updating
• B) referential integrity
• C) authentication
• D) cross joining  

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Definitions:

Hedonism

The pursuit of pleasure; sensual self-indulgence as a primary goal in life.

Perception

The process by which individuals select, organize, and interpret information to form a meaningful picture of the world, crucial in understanding consumer behavior.

Exposure

The state of being subject to something (e.g., ideas, experiences, or climate) which can affect development or opinion.

Sensations

refer to the physical feelings that result from the operation of the senses.