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

Identify the financial implications of lifestyle choices, such as smoking, on insurance premiums, earnings, and expenses.

Evaluate investment decisions by analyzing the expected return and the associated risk.

Understand the concept of user cost in the context of exhaustible resources and how it impacts pricing and conservation efforts.

Describe how discount rates influence consumer decisions in purchasing durable goods and educational investments.

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Definitions:

Time-Series Analysis

A statistical method that analyzes a sequence of data points, typically measured at successive times, to forecast future trends.

Product Differentiation

A marketing strategy where a company attempts to make its product appear unique from competitors' offerings in the eyes of consumers.

Customer Service

Activities and services provided by a company to support and enhance the satisfaction of its customers.

Competitive Prices

Pricing strategy that involves setting prices at the same level or slightly lower than competitors to attract customers.