EXL Service Philippines uses salary analysis in its HR reporting workflows. Write a PostgreSQL query to return the third-highest distinct salary from the employee_salaries table.
NULL salaries before ranking salary levels.| Column | Type | Description |
|---|---|---|
| employee_idPK | INTEGER | Unique employee identifier |
| employee_name | VARCHAR(100) | Employee's full name |
| salary | INTEGER | Annual salary in Philippine pesos |