If Order Number Serves as the Primary Key in the ORDER

question 110

Multiple Choice

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

• A)foreign key
• B)candidate key
• C)pointer
• D)relationship key

---

Definitions:

Immediate Medical Care

Immediate medical care refers to urgent medical attention provided quickly in response to a sudden injury or illness to prevent severe complications.

Emotional Functioning

Refers to an individual's ability to process and express feelings in a healthy way, including coping with negative emotions and fostering positive ones.

Affect

A term referring to the observable manifestation of a subject's emotions or feelings.

Concentration

The ability to focus one's attention or mental effort on a specific object, task, or activity.