If Order Number Serves as the Primary Key in the Order

question 40

Multiple Choice

If order number serves as the primary key in the order relation and also appears as a nonkey attribute in the invoice relation, then order number is said to be a:

• A) foreign key.
• B) candidate key.
• C) pointer.
• D) relationship key.
• E) marker.

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Definitions:

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Native American tribes who lived on the Great Plains of the United States and Canada, known for their nomadic lifestyles and dependence on bison.

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