Question: The PRIMARY KEY Constraint
Explore how to define and implement the PRIMARY KEY constraint in an SQL table. This lesson helps you modify an Employees table to include a primary key that updates with each insertion, ensuring data integrity and uniqueness of records.
We'll cover the following...
We'll cover the following...
Question
Given the following Employees table structure:
Employees
EmpID | EmpName | Salary |
1 | Susan Lee | 50000.00 |
2 | Alexa Smith | 60000.00 |
3 | Dana Amberson | 45000.00 |
4 | Sarah Ronald | 47000.00 |
Additional information
You are provided with a table named Employees that ...