Because a Partial Dependency Can Exist Only When a Table's

question 15

Short Answer

Because a partial dependency can exist only when a table's primary key is composed of several attributes, a table whose _____ key consists of only a single attribute is automatically in 2NF once it is in 1NF.

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Definitions:

Frequency Theory

A theory about how sounds are transmitted and interpreted, stating that the frequency of auditory nerve impulses matches the frequency of the tone, enabling us to detect pitch.

Hertz

A unit of frequency in the International System of Units (SI), denoting one cycle per second.

Place Theory

A proposal about pitch perception stating that regions of the basilar membrane respond to particular sound frequencies, and the nervous system interprets the excitation from different basilar regions as different pitches.

Oval Window

A membrane-covered opening that leads from the middle ear to the cochlea of the inner ear, playing a crucial role in the process of hearing.