SELECT LPAD(' ',2*(LEVEL-1)) || last_name org_chart, 
        employee_id, manager_id, job_id
    FROM employees
    WHERE job_id != 'FI_MGR'
    START WITH job_id = 'AD_VP' 
    CONNECT BY PRIOR employee_id = manager_id; 
---------------------------
SELECT LPAD(' ', 2 * (LEVEL - 1)) || last_name AS org_chart
	, employee_id, manager_id, job_id
FROM employees
WHERE job_id != 'FI_MGR'
START WITH job_id = 'AD_VP'
CONNECT BY PRIOR employee_id = manager_id;
