Which of the Following Is Not True About a NULL

question 11

Multiple Choice

Which of the following is not true about a NULL attribute?

• A)On insertion,entering the data for that field is optional.
• B)It is an important property of an attribute.
• C)It must have a default value specified.
• D)A primary key can't be NULL.

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Definitions:

Stimulus-Response Manipulations

Involves changing an environment or stimulus to elicit a desired behavioral response, often used in behavioral psychology and organizational management.

Decision Making

The cognitive process resulting in the selection of a belief or course of action among several possible alternatives.

Behavioral Environments

refer to the surroundings or conditions in which a person operates, which influence and are influenced by the individual's actions and behaviors.

Modifying Behavior

The process of changing or adapting one's actions or reactions to achieve a specific outcome.