使用oracle实现获取第N高薪水
编写一个 SQL 查询,获取? +----+--------+ 例如上述? +------------------------+ ? 网上有很多关于mysql的编写方法,oracle的几乎找不到,我如果有比我编写方法好的欢迎评论 CREATE FUNCTION getNthHighestSalary(N IN NUMBER) RETURN NUMBER IS result NUMBER; BEGIN /* Write your PL/SQL query statement below */ select salary into result from (select salary,rownum as rn from (select DISTINCT salary from employee order by salary desc) ) where rn = N; RETURN result; END; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |