Which of the Following States the Rule of Entity Integrity

question 22

Multiple Choice

Which of the following states the Rule of Entity Integrity?

• A) Every row must have a value for the primary key and each value must be unique.
• B) Every foreign key must appear as another table's primary key.
• C) Every row must have a value for the primary key and values may be repeated.
• D) None of the above.

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Definitions:

Sold Separately

Items or services not included with the primary product and must be purchased independently.

Infringement Suit

A legal case brought against an individual or company for violating a patent, copyright, trademark, or other intellectual property rights.

Legal Expenses

Costs incurred by a business for legal services, such as attorney fees and court costs.

Goodwill

An intangible asset that arises when a business is acquired for more than the fair value of its net identifiable assets, representing the company's reputation, brand, or similar factors.