text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE employees (first_name VARCHAR, last_name VARCHAR, salary INTEGER, department_id VARCHAR)
  ### Question:
  display the department ID, full name (first and last name), salary for those employees who is highest salary in every department.
  ### Answer:
  SELECT first_name, last_name, salary, department_id, MAX(salary) FROM employees GROUP BY department_id