Define and Compare a Primary Key,a Foreign Key,and Non-Key Attribute

question 19

Essay

Define and compare a primary key,a foreign key,and non-key attribute.

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Definitions:

Economics Textbooks

Books that provide foundational knowledge and analysis of economic principles, theories, and frameworks.

Consumer Surplus

The distinction between what customers can and are ready to pay for a product or service and the amount they end up paying.

Online Classes

Courses or educational programs delivered over the internet, allowing students to learn remotely.

Consumer Surplus

The discrepancy between what consumers are prepared and capable of paying for a product or service compared to what they end up spending.