Suppose a Relational Database Contained Two Linked Tables

question 69

Multiple Choice

Suppose a relational database contained two linked tables.Which of the following items is not necessarily present in the database?

• A) two primary keys
• B) two foreign keys
• C) at least one column
• D) one foreign key

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Definitions:

Price Discrimination

A pricing strategy where a seller charges different prices for the same product or service to different customers, based on various factors not related to costs.

Market

A system or environment where buyers and sellers interact to trade goods, services, or information.

Pricing

The process of determining the monetary value at which goods and services will be sold.

Psychographic Measures

Tools or methods used to assess and analyze the psychological attributes of individuals, such as interests, values, and lifestyles.