Question

In my application, I need a query with the following conditions.

1. Increase $1000 if the employee is a Trainee(A)
2. Increase $2000 if the employee is a Mechanic(B)
3. Increase $3000 if the employee is an Enginner(C)
4. Increase $5000 if the employee is a Manager(D)

I have the Table with the following columns

• Emploee_ID
• Employee_Name
• Emloyee_Salary_per_Month
• Employee_Salary_per_annum
• Emploee_designation (A, B, C or D)

Can anyone please tell me how to write an sql query for this condition?

Answer 1

update employee
set Emloyee_Salary_per_Month = Emloyee_Salary_per_Month +
                               case when Emploee_designation = 'A'
                                    then 1000
                                    when Emploee_designation = 'B'
                                    then 2000
                                    when Emploee_designation = 'C'
                                    then 3000
                                    when Emploee_designation = 'D'
                                    then 5000
                                    else 0
                               end