What Is the Role of a Foreign Key

question 173

Multiple Choice

What is the role of a foreign key?

• A)It is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• B)It is a unique way to identify each record.
• C)Is a field that uniquely identifies a give record in a table.
• D)All of these are correct.

Understand the stages of the new-product development process.

Comprehend the concept of product adoption and diffusion in markets.

Identify ethical issues and environmental considerations in product design.

Recognize the significance of test marketing in the product development process.

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