Which Attribute in the Following Class Would Make the Best

question 19

Multiple Choice

Which attribute in the following class would make the best primary key?

• A)Customer
• B)Customer Name
• C)E-mail address
• D)Customer ID

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Definitions:

Chemotherapy

A type of cancer treatment using one or more anti-cancer drugs as part of a standardized chemotherapy regimen to kill or slow the growth of cancer cells.

Cranium

The part of the skull that encloses the brain, consisting of the frontal, parietal, temporal, and occipital bones.

Temporal Bone

A bone of the skull located at the side of the head containing the organs of hearing and balance.

Parietal Bone

A bone forming the central side and upper back part of each side of the skull.