A Foreign Key Is A

question 50

Multiple Choice

A foreign key is a:

• A)primary key of one relation that appears in another relation.
• B)primary key that contains a needed translation of the primary key from the same relation.
• C)field that reformats the primary key so that it can be used in another application.
• D)field that contains a primary key from an external database.

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Definitions:

Conditional

Dependent on or subject to one or more conditions or requirements being met; not absolute.

Declarative

Relating to a type of statement that expresses a fact or opinion simply and directly.

Precise

Being exact, accurate, and clear in expression or detail.

Concise

Expressing or covering much in few words; brief in form but comprehensive in scope.