Oracle Cursor (for Loop)

Oracle Cursor 

CREATE OR REPLACE PROCEDURE p_emp_info
          (p_dept_id s_emp.dept_id%TYPE)
IS
          CURSOR  c_emp_sal  IS
                    SELECT last_name, salary
                    FROM s_emp
                    WHERE dept_id = p_dept_id;
BEGIN
          FOR emp_rec  IN  c_emp_sal  LOOP
                    DBMS_OUTPUT.PUT_LINE(emp_rec.last_name ||  ' ' || emp_rec.salary);