Case-Based Critical Thinking Questions Case 2-1

question 77

Multiple Choice

Case-Based Critical Thinking Questions Case 2-1
Akae plans to develop a database for his small DJ business that will include his music catalog, artists, clients, purchases, equipment, and vendors. Akae has identified that the following information will be included in the database:
∙ artist
∙ song and year
∙ client name
∙ client address
∙ client contact information
∙ vendor
∙ purchases
∙ equipment
∙ equipment inventory and rental
Client contact information should include several fields.  Which of the following field choices would allow client contact data to be separated into the smallest useful parts and provide Akae with the most options for contacting a client?

• A) phone number, address
• B) mobile number, home number, email address
• C) mobile number, home number, primary email address, secondary email address
• D) mobile number, primary email address

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Definitions:

Mathematical Expression

A combination of numbers, operations, and symbols forming a meaningful equation or inequality.

Variable Substitution

The process of replacing a variable in an equation or expression with a specific value.

Exponentiation

A mathematical operation involving two numbers, the base and the exponent, where the base is multiplied by itself as many times as indicated by the exponent.

System of Equations

A set of two or more equations with the same set of unknowns, which are solved simultaneously.