select distinct(salary) from salaries
where to_date='9999-01-01'
order by salary desc;
select distinct(salary) from salaries
where to_date='9999-01-01'
group by salary
order by salary desc;
select distinct(salary) from salaries
where to_date='9999-01-01'
order by salary desc;
select distinct(salary) from salaries
where to_date='9999-01-01'
group by salary
order by salary desc;
牛客博客，记录你的成长
京公网安备 11010502036488号