题解 | #平均工资#
平均工资
https://www.nowcoder.com/practice/95078e5e1fba4438b85d9f11240bc591
select avg(salary) as avg_salary from ( select *, rank() over (order by salary DESC) as max_salary, rank() over (order by salary ASC) as min_salary from salaries where to_date='9999-01-01' )as t where max_salary!=1 and min_salary!=1;
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