instruction: For all employees who have the letters D or S in their first name, find job_id and the average of salary , and group by attribute job_id, and visualize them by a bar chart, and list in descending by the X-axis.
response: SELECT JOB_ID, AVG(SALARY) FROM employees WHERE FIRST_NAME LIKE '%D%' OR FIRST_NAME LIKE '%S%' GROUP BY JOB_ID ORDER BY JOB_ID DESC