What Is a Foreign Key

question 9

Multiple Choice

What is a foreign key?

• A) A field (or group of fields) that uniquely identifies a given entity in a table.
• B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• C) Characteristics or properties of an entity.
• D) A field (or group of fields) that uniquely identifies a given attribute in a table.

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Definitions:

Security Interest

A legal claim or right on assets granted to a creditor or a lender, to secure the repayment of a debt.

Automobile

A road vehicle, typically with four wheels, powered by an internal combustion engine or electric motor, used for transporting passengers.

Trademark

A symbol, word, or phrase legally registered or established by use as representing a company or product, offering protection against its use by others.

Copyright

The protection of the expression of a creative work; that is, protection of the fixed form that expresses the ideas.