Question:
Create a virtual column named SALARY\_RANGE in the table EMPLOYEES with the below logic. 

If salary is greater than 10000 then value should be displayed as ‘Good’ else the value should be displayed as ‘Average.

My Syntax:

```
alter table EMPLOYEES
add column salary_range varchar
(where salary>10000
then salary_range='Good'
else if salary_range='Average') virtual;

```