In What Two Cases Are Composite Primary Keys Particularly Useful

question 67

Essay

In what two cases are composite primary keys particularly useful?

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Definitions:

Predetermined Overhead Rate

A rate established in advance to allocate overhead costs to products or services based on a specific activity base.

Machine-Hours

A measure of production time where one machine-hour equals the operation of one machine for one hour.

Direct Labor-Hours

The total hours worked by employees directly involved in the manufacturing process, used as a base for allocating overhead costs to products.

Machining

A manufacturing process involving the shaping of metal or other materials through controlled material-removal techniques.