instruction: For those employees who did not have any job in the past, return a bar chart about the distribution of job_id and the sum of salary , and group by attribute job_id, and sort by the Y from high to low.
response: SELECT JOB_ID, SUM(SALARY) FROM employees WHERE NOT EMPLOYEE_ID IN (SELECT EMPLOYEE_ID FROM job_history) GROUP BY JOB_ID ORDER BY SUM(SALARY) DESC