-- Database schema
| regions : REGION_ID [ INT ] primary_key , REGION_NAME [ TEXT ] | countries : COUNTRY_ID [ TEXT ] primary_key , COUNTRY_NAME [ TEXT ] , REGION_ID [ INT ] countries.REGION_ID = regions.REGION_ID | departments : DEPARTMENT_ID [ INT ] primary_key , DEPARTMENT_NAME [ TEXT ] , MANAGER_ID [ INT ] , LOCATION_ID [ INT ] | jobs : JOB_ID [ TEXT ] primary_key , JOB_TITLE [ TEXT ] , MIN_SALARY [ INT ] , MAX_SALARY [ INT ] | employees : EMPLOYEE_ID [ INT ] primary_key , FIRST_NAME [ TEXT ] , LAST_NAME [ TEXT ] , EMAIL [ TEXT ] , PHONE_NUMBER [ TEXT ] , HIRE_DATE [ TEXT ] , JOB_ID [ TEXT ] employees.JOB_ID = jobs.JOB_ID , SALARY [ INT ] , COMMISSION_PCT [ INT ] , MANAGER_ID [ INT ] , DEPARTMENT_ID [ INT ] employees.DEPARTMENT_ID = departments.DEPARTMENT_ID | job_history : EMPLOYEE_ID [ INT ] primary_key job_history.EMPLOYEE_ID = employees.EMPLOYEE_ID , START_DATE [ TEXT ] , END_DATE [ TEXT ] , JOB_ID [ TEXT ] job_history.JOB_ID = jobs.JOB_ID , DEPARTMENT_ID [ INT ] job_history.DEPARTMENT_ID = departments.DEPARTMENT_ID | locations : LOCATION_ID [ INT ] primary_key , STREET_ADDRESS [ TEXT ] , POSTAL_CODE [ TEXT ] , CITY [ TEXT ] , STATE_PROVINCE [ TEXT ] , COUNTRY_ID [ TEXT ] locations.COUNTRY_ID = countries.COUNTRY_ID |
-- -- What are the salaries and manager ids for employees who have managers?

SELECT salary ,  manager_id FROM employees WHERE manager_id != "null";