Frank created a "customer table" in his accounting information system database. Which of the following is most likely to be the primary key in the table?

Question

Quizplus · Accepted Answer

A primary key is a unique identifier for each record in a table. Since each customer has a unique customer number, it is the best choice for the primary key. Last names and phone numbers can be duplicated and sales transaction numbers may not be unique to a specific customer.

Frank Created a "Customer Table" in His Accounting Information System