摘要：
select department.name from employee inner join department on departmentld=department.id group by departmentld order by avg(salary) desc limit 0,3; 查询 阅读全文
摘要：
#coding:utf-8 #求列表的第二大值 list_test =[6,2,4,6,1,2,3,4,5] list_test.sort() print list_test[-2] """6""" help(list_test.sort) """Help on built-in function sort: sort(...) L.sort(cmp=None, key=None... 阅读全文