What Is the Role of a Foreign Key

question 54

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) It is a field that uniquely identifies a given record in a table.
• D) All of these.

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Definitions:

Reservation

The act of booking or securing a service or space in advance, such as a hotel room, a table at a restaurant, or a ticket for an event.

Sales Presentation

A structured dialogue or demonstration aimed at persuading a potential customer to purchase a product or service.

Initial Sales Call

The first contact made by a sales representative to a potential customer, aiming to introduce the product or service and gauge interest.

Inbound Marketing

Marketing activities that draw the attention of customers through blogs, Twitter, LinkedIn, and other online sources, rather than using more traditional activities that require having to go out to get customers’ attention, such as making a sales call.