Martine's Database Administrator Has Set Up a View for Her

question 30

Multiple Choice

Martine's database administrator has set up a view for her so that she can access the information she needs from the database. What will happen when new columns Martine does not need to see are added to the base tables used for Martine's view?

• A) The new columns will appear in Martine's view.
• B) The data independence provided by the view will be lost.
• C) The administrator will have to change the view's defining query.
• D) Martine can continue to use her view as usual.

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Definitions:

Dual-action Antidepressant

A type of medication that targets and adjusts the levels of more than one chemical messenger in the brain to treat depression.

Norepinephrine

A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate, blood pressure, and sugar levels in the bloodstream.

Serotonin

A neurotransmitter associated with mood regulation, emotion, and sleep.

Lithium

A chemical element and mood-stabilizing drug used primarily in the treatment of bipolar disorder.