Получение текущей второй по величине зарплаты сотрудника emp_no и соответствующего ему оклада salary без использования order by

CREATE TABLE `employees` (
`emp_no` int(11) NOT NULL,
`birth_date` date NOT NULL,
`first_name` varchar(14) NOT NULL,
`last_name` varchar(16) NOT NULL,
`gender` char(1) NOT NULL,
`hire_date` date NOT NULL,
PRIMARY KEY (`emp_no`)
);

CREATE TABLE `salaries` (
`emp_no` int(11) NOT NULL,
`salary` int(11) NOT NULL,
`from_date` date NOT NULL,
`to_date` date NOT NULL,
PRIMARY KEY (`emp_no`, `from_date`)
);

SELECT s.emp_no, salary, last_name, first_name FROM salaries s LEFT JOIN employees e ON e.emp_no = s.emp_no WHERE s.salary = (SELECT MAX(salary) FROM salaries WHERE to_date = '9999-01-01' AND salary != (SELECT MAX(salary) FROM salaries))