All the Following Statements About Intersection Tables Are True Except

question 61

Multiple Choice

All the following statements about intersection tables are true except?

• A)Intersection tables remove many-to-many relationships.
• B)Only one field in an intersect table is needed to uniquely identify a record.
• C)An intersection table's primary key is a composite key.
• D)The primary key for the intersection table includes the foreign keys of the tables.

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Definitions:

Marginal Social Benefit

The additional benefit gained by society from the production or consumption of one more unit of a good or service.

Marginal Social Cost

The cost society bears for production of an additional unit of a good or service, including both private costs and any externalities.

Pollution Reduction

The process or activities aimed at decreasing the amount of pollutants released into the environment, including air, water, and soil.

Total Cost

The aggregate monetary value of all inputs used in the production of goods or services, including fixed and variable costs.