What Is the Role of a Foreign Key

question 195

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.

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Definitions:

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A display mode in word processors, browsers, and other applications that optimizes the layout and formatting of text to improve readability, usually by reducing clutter and focusing on the content.