All of the Following Are Ways to Represent an Inheritance

question 86

Multiple Choice

All of the following are ways to represent an inheritance structure in a database EXCEPT:

• A) table per concrete class with implicit polymorphism.
• B) table per concrete class with unions.
• C) table per abstract class with joins.
• D) table per class hierarchy.

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Definitions:

State License Fee

A fee required by certain state governments for the granting of a license to operate a particular business or profession within that state.

Short Run

A time period in which at least one input, such as capital equipment, is fixed, limiting the adjustments a firm can make to production levels.

Maximize Profits

Maximizing profits is the goal of most firms, achieved by increasing revenue while minimizing costs, leading to the highest possible financial return from their operations.

MR = MC

An economic principle stating that optimal output level is reached when marginal revenue equals marginal cost, guiding profit-maximizing strategies for firms.