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:

Pricing Constraints

Factors that limit the flexibility of setting prices, including costs, competition, customer perception of value, and regulatory requirements.

Break-even Formula

A calculation to determine when a business or product will be able to cover its costs and begin to make a profit.

Fixed Costs

Business expenses that remain constant regardless of the volume of goods or services produced, such as rent, salaries, and insurance.

Unit Variable Costs

The cost associated with producing one additional unit of a product or service.