Write an SQL query to calculate the average salary of employees in the "Employees" table. Asked in the Technical interview stage.
average_salary.| Column | Type | Description |
|---|---|---|
| employee_idPK | INT | Unique employee identifier |
| employee_name | VARCHAR(100) | Employee full name |
| department | VARCHAR(80) | Employee department |
| salary | NUMERIC(12,2) | Annual employee salary |