What Type of Keys Do You Need to Use to Create

question 69

Multiple Choice

What type of keys do you need to use to create a relational database model?

• A) Primary keys and secondary keys
• B) Primary keys and foreign keys
• C) Entity keys and attribute keys
• D) Relational keys and DBMS keys

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Definitions:

Economic Profit

The difference between a firm's total revenues and its total economic costs, including both explicit and implicit costs.

Diagram (A)

A graphical representation or chart designed to illustrate or explain concepts, processes, or data.

Allocative Inefficiency

A situation in which resources are not distributed optimally among producers or consumers, leading to a loss in economic efficiency.

Profit-Maximizing Output

The point of production where a company reaches its maximum profit, occurring when marginal cost is equal to marginal revenue.