One Important Relational Design Principle Is That ________

question 49

Multiple Choice

One important relational design principle is that ________.

• A) every determinant must be a candidate key
• B) every candidate key must not be a determinant
• C) every primary key must be a surrogate key
• D) every determinant must be functionally dependent on the primary key
• E) every primary key must be functionally dependent on every determinant

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Definitions:

Efficient Scale

The level of production at which a firm operates with the lowest average total costs, achieving economies of scale without incurring diseconomies of scale.

Short-Run Cost Curves

Graphical representations that show the relationship between a firm's costs and output levels in the short term.

Long-Run Curve

The graphical representation in economics of the relationship between output and input when all inputs are variable, showing potential economies of scale.

Marginal-Cost Curve

A graph that displays the cost of producing one additional unit of a good or service.