A FOREIGN KEY Constraint Can Only Reference a Column in Another

question 33

Multiple Choice

A FOREIGN KEY constraint can only reference a column in another table that has been assigned a(n) ____ constraint.​

• A) ​NOT NULL
• B) ​UNIQUE
• C) ​CHECK
• D) ​none of the above

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Definitions:

Price

The amount of money required to purchase a good or service.

Price

The amount of money required to purchase a good or service, often determined by factors like demand, supply, and market competition.

Utility Function

A representation or model used in economics to quantify the satisfaction or happiness a consumer derives from consuming goods and services.

Income

Payment obtained, regularly, for services rendered or from capital investments.