Case 9-2 ​Emily Is Functioning with Her Customer, Anna, on the Design

question 76

Multiple Choice

Case 9-2
​Emily is functioning with her customer, Anna, on the design of a new database. She describes to Anna that key fields are utilized to access, coordinate, and preserve the data records.
-Emily tells Anna that a primary key is a field or combination of fields that individually and minimally recognizes a specific entity. She mentions that there may be an option of fields or field combinations to use as the primary key. Which of the following is the term used for a feasible primary key?

• A) Candidate key
• B) Ancillary key
• C) Foreign key
• D) Multifaceted key

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Definitions:

Scientific Research

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions, typically involving controlled experiments or observational studies.

U.S. Business Firms

Companies operating within the United States, engaged in commercial, industrial, or professional activities.

Commercialization

The process of bringing new products or services to market, including the stages of development, production, and marketing to achieve wide consumer adoption.

Invention

A new method, idea, product, or process developed from study and experimentation.