If You Use a Surrogate Key,you Must Ensure That the Candidate

question 32

Short Answer

If you use a surrogate key,you must ensure that the candidate key of the entity in question performs properly through the use of the "____________________" and "not null" constraints.

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Definitions:

Economic Efficiency

A state where resources are allocated in a manner that maximizes the production of goods and services without wasting any resources.

Economies of Scale

Financial advantages gained by firms due to their operational size, where a greater volume of production usually correlates with a lower cost for each output unit.

Per-unit Costs

The cost incurred for producing or acquiring a single unit of a product or service.

Natural Monopoly

A market condition where a single firm can supply a good or service to an entire market at a lower cost than two or more firms due to economies of scale.