An Artificial Column Added to a Relation to Serve as the Primary

question 28

Multiple Choice

An artificial column added to a relation to serve as the primary key is a ________.

• A)composite key
• B)candidate key
• C)foreign key
• D)surrogate key
• E)dependency

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Definitions:

Experiential System

A processing mechanism in the brain that is intuitive, automatic, and based on experiences, as opposed to analytical reasoning.

Cognitive System

encompasses the mental processes involved in perception, memory, judgment, and reasoning.

Mode of Thinking

The particular way or method in which thoughts are organized and processed.

Information Quantity

Refers to the amount or volume of information available or provided in a given context.