题解 | #平均工资#
平均工资
http://www.nowcoder.com/practice/95078e5e1fba4438b85d9f11240bc591
select avg(salary)
from salaries
where salary<(
select max(salary) as max_salary
from salaries
where to_date='9999-01-01'
)
and salary>(
select min(salary) as min_salary
from salaries
where to_date='9999-01-01'
)
and to_date='9999-01-01';
我只能说即使同一个公司不同部门，甚至不同组里的体验都相差巨大
