programming-examples/sql/JoinHRDatabase/18. Write a query in SQL to display department name and the full name (first and last name) of the manager.sql

/*18. Write a query in SQL to display department name and the full name (first and last name) of the manager.*/
SELECT department_name, first_name || ' ' || last_name AS name_of_manager  
    FROM departments D   
        JOIN employees E   
            ON (D.manager_id=E.employee_id);