A Relationship Between Skills and Employees Is Typically Modeled as M:N

question 43

Multiple Choice

A relationship between Skills and Employees is typically modeled as M:N in an REA database model since

• A)one employee may possess many skills,and one skill may be possessed by more than one employee.
• B)many employees possess skills,and many skills are possessed by employees.
• C)employees can be trained to learn all skills,and all skills are possessed by at least one employee.
• D)The relationship would be 1:N not M:N,because most employees are hired for a specific job that requires a specific skill,even though a specific job could be done by many employees.

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Definitions:

Trichromatic Color Mixing

A theory of color vision that proposes the eye has three types of receptors, each sensitive to red, green, or blue light, and that all colors are perceived through the combination of these receptors' activities.

Opponent-process Theory

A psychological and neurological model that explains how the perception of one color can affect the perception of another, leading to contrasting aftereffects.

Trichromatic

A theory of color vision that proposes the eye detects colors through the response levels of three types of cones sensitive to different wavelengths.

Color Discrepancy

A difference in the perception or representation of colors between what is expected and what is perceived.