Question: Cascading Delete
Understand how to add a foreign key constraint with ON DELETE CASCADE between related tables to ensure automatic deletion of dependent records. Learn to manage and verify cascading deletes using employee and skill records. This lesson helps you handle database relationships and maintain data consistency when deleting entries.
We'll cover the following...
We'll cover the following...
Question
Given the following table structure of Employees and Skills:
Employees
EmpID | EmpName | Salary |
1 | Susan Lee | 50000.00 |
2 | Alexa Smith | 60000.00 |
3 | Sana Amberson | 45000.00 |
4 | Sarah Ronald | 47000.00 |
Skills
SkillID | EmpID | SkillName |
1 | 1 | C++ |
2 | 4 | Java |
3 | 1 | Python |
4 | 3 | Blender |
5 | NULL | Android |
Additional information
The Employees table consists of the following columns:
EmpID: Unique identifier for each employeeEmpName: The name of the ...