In a Supertype-Subtype Structure,discriminator Attributes ________

question 51

Multiple Choice

In a supertype-subtype structure,discriminator attributes ________.

• A)are easily represented in a relational design
• B)cannot be represented in a relational design
• C)require application logic to determine which subtypes correspond to a specific supertype instance
• D)A and C
• E)B and C

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Definitions:

Unit Variable Cost

The expense incurred from manufacturing an extra unit of a product.

Break-even Chart

A graphical representation that displays the point at which total costs and total revenues are equal, indicating no net loss or gain.

Total Revenue

The total amount of money generated by a company from its sales of goods or services before any costs or expenses are deducted.

Total Cost

The sum of all expenses incurred in the production of goods or services, including both fixed and variable costs.