如何从SQLite中的分组列连接/连接字符串?
发布时间:2020-12-12 19:14:13 所属栏目:百科 来源:网络整理
导读:有 Companyid Name1 Enron2 WalmartEmployeeid Company2 13 14 25 26 2 我想得到 Enron 2,3Walmart 4,5,6 到目前为止我写道: select Company.Name,Employee.idfrom Company inner join Employeeon Company.id = Employee.Company group by Company.id 但目
有
Company id Name 1 Enron 2 Walmart Employee id Company 2 1 3 1 4 2 5 2 6 2 我想得到 Enron 2,3 Walmart 4,5,6 到目前为止我写道: select Company.Name,Employee.id from Company inner join Employee on Company.id = Employee.Company group by Company.id 但目前的结果是 Enron 2 Walmart 4使用 Group_Concat: select Company.Name,Group_Concat(Employee.id) from Company inner join Employee on Company.id = Employee.Company group by Company.id (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! |