A Is a Primary Key Created by a Database Designer

question 33

Multiple Choice

A is a primary key created by a database designer to simplify the identification of entity instances.

• A)Composite key
• B)compound key
• C)natural key
• D)surrogate key

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Definitions:

Ultraviolet Light

A type of electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays.

Gamma Waves

A type of brain wave frequency associated with cognitive processing, memory, and learning.

Sensory Adaptation

The mechanism where sensory detectors decrease in sensitivity to unchanging stimuli as time progresses.

Priming

A psychological phenomenon in which exposure to one stimulus influences a response to a subsequent stimulus, without conscious guidance or intention.