Each Entity in a Database Has a Unique Attribute Called

question 43

Multiple Choice

Each entity in a database has a unique attribute called a(n) ________.

• A) public key
• B) identifier
• C) foreign key
• D) index field
• E) prime value

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Definitions:

External Validity

The degree to which the results of a study may be generalized beyond that study.

Alcohol

A psychoactive substance commonly found in beverages such as beer, wine, and spirits, known for its depressant effects on the central nervous system.

Pregnancy

The condition of being pregnant, involving the development of a fetus inside a woman's uterus.

Direction of Magnitude

The attribute of comparing two values or entities that indicates the relationship in terms of greater than, less than, or equal to.