Which of the Following Statements Best Describes the Entity Integrity

question 18

Multiple Choice

Which of the following statements best describes the entity integrity rule?

• A)A database entity must fit within the REA model.
• B)A record's foreign key value must be null.
• C)A record's primary key must have a data value.
• D)All values of an attribute must be of the same data type.

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Definitions:

White-Label Goods

Products produced by one company that another company rebrands to appear as if they had made it.

Import Tariffs

Taxes imposed by a government on goods and services imported into a country.

Joint Ventures

A business arrangement in which two or more parties agree to pool their resources for the purpose of accomplishing a specific task.

Global Market

The international trading system comprising of buyers and sellers from different countries, facilitating the exchange of goods, services, and capital across borders.