A Primary Key Should Be ____________________, Meaning That a Value

question 35

Short Answer

A primary key should be ____________________, meaning that a value does not change during normal operation.

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Definitions:

Output

The amount of goods or services produced by a company, sector, or economy.

Fixed Cost

Costs that do not vary with the level of output or production, such as rent, salaries, and insurance premiums.

Average Total Cost

The total cost of production divided by the number of units produced, representing the per-unit cost of production.

Marginal Cost

Indicates the change in total production cost that arises when the quantity produced is increased by one unit.