The best choice for the primary key in an "Employees" table would be his or her:
A)Last name
B)First name
C)Phone number
D)Employee number

Question

Quizplus · Accepted Answer

Employee number is the best choice for a primary key in an "Employees" table because it is unique to each employee, ensuring that each record can be distinctly identified. Unlike names or phone numbers, which can change or be shared by multiple employees, an employee number is a stable and unique identifier.

The Best Choice for the Primary Key in an "Employees