题解 | #平均工资#
平均工资
https://www.nowcoder.com/practice/95078e5e1fba4438b85d9f11240bc591
错误 select avg(salary) as avg_salary from salaries where to_date ='9999-01-01' and salary not in (select max(salary)，min(salary) from salaries where to_date='9999-01-01') 正确-分开写 select avg(salary) as avg_salary from salaries where to_date ='9999-01-01' and salary not in (select max(salary) from salaries where to_date='9999-01-01') and salary not in (select min(salary) from salaries where to_date='9999-01-01') ;
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