Which of the Following States the Rule of Entity Integrity

question 22

Multiple Choice

Which of the following states the Rule of Entity Integrity?

• A) Every row must have a value for the primary key and each value must be unique.
• B) Every foreign key must appear as another table's primary key.
• C) Every row must have a value for the primary key and values may be repeated.
• D) None of the above.

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Definitions:

Phac/o

Pertaining to the lens of the eye; used in terms related to conditions or surgical interventions of the lens.

Lens

A transparent structure in the eye that focuses light rays onto the retina, allowing us to see clearly.

Keratometry

The measurement of the curvature and shape of the cornea, particularly used in eye examinations.

Gonioscopy

A diagnostic procedure to examine the angle in the eye where the iris meets the cornea, primarily to assess for glaucoma.