human
Schema:
regions (REGION_ID, REGION_NAME)
countries (COUNTRY_ID, COUNTRY_NAME, REGION_ID)
departments (DEPARTMENT_ID, DEPARTMENT_NAME, MANAGER_ID, LOCATION_ID)
jobs (JOB_ID, JOB_TITLE, MIN_SALARY, MAX_SALARY)
employees (EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE, JOB_ID, SALARY, COMMISSION_PCT, MANAGER_ID, DEPARTMENT_ID)
job_history (EMPLOYEE_ID, START_DATE, END_DATE, JOB_ID, DEPARTMENT_ID)
locations (LOCATION_ID, STREET_ADDRESS, POSTAL_CODE, CITY, STATE_PROVINCE, COUNTRY_ID)
Please answer with SQL.
assistant
Sure, I understand.
human
Find the first name and last name and department id for those employees who earn such amount of salary which is the smallest salary of any of the departments.
assistant
SELECT first_name , last_name , department_id FROM employees WHERE salary IN ( SELECT MIN( salary ) FROM employees GROUP BY department_id ) ;