日期:2014-05-18 浏览次数:20598 次
(select * from employee inner join works using (employee_name)) except (select * from employee inner join works using (employee_name) where company_name = 'First Bank Corporation')
select * from employee inner join works using (employee_name) except select * from employee inner join works using (employee_name) where company_name = 'First Bank Corporation'