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:

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Carbon Dioxide

A transparent gas with no odor, resulting from the burning of carbon-containing substances and the respiration process. It naturally occurs in the environment and is crucial for plant photosynthesis.

Methane

A colorless, odorless flammable gas that is the simplest alkane, used as a fuel and in chemical synthesis.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.