In Your Database Course, Your Instructor Has Given You a Small

question 21

Multiple Choice

In your database course, your instructor has given you a small database that has a lot of invalid data, issuing the challenge to you that you work to apply validation rules to the data and determine what checks need to be applied in order to restore integrity to the data.
A quick scan of the data in the First Name field in the database yields the numbers 3 and 7 and an asterisk. What kind of check should you run on this field?

• A) completeness check
• B) alphabetic check
• C) consistency check
• D) check digit

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Definitions:

Optic Nerve

A paired nerve that transmits visual information from the retina to the brain.

External Auditory Canal

The tube that runs from the outer ear to the eardrum, plays a role in directing sound waves from the environment to the tympanic membrane.

Eardrum

The eardrum, also known as the tympanic membrane, is a thin membrane that separates the external ear from the middle ear and vibrates in response to sound waves.

Temporal Bone

A bone of the skull located at the side and base of the skull, housing structures of the ear and supporting facial muscles.