If OrderNumber Serves as the Primary Key in the ORDER

question 1

Multiple Choice

If OrderNumber serves as the primary key in the ORDER relation and also appears as a nonkey attribute in the INVOICE relation, then OrderNumber is said to be a:

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

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Definitions:

Inflammation

A biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, characterized by redness, warmth, swelling, and pain.

Tendon

A tough, flexible band of fibrous tissue that connects muscles to bones, enabling movement of the body.

Cerebellar Nerve Impulses

Electrical signals generated in the cerebellum, part of the brain responsible for coordinating voluntary movements.

Voluntary Movements

Actions performed consciously and intentionally, involving the coordination of skeletal muscles.