sql语句for xml path
现有发票表Invoice 存有字段发票号 InvoiceCode
发票子表InvoiceSub
任务单表PrjTask
其关系为 Invoice 与 InvoiceSub 是 1 对 n , InvoiceSub 与 PrjTask 是 n 对 1
现要求任务单对应的发票号 多个以逗号分开
select PrjTaskId,InvoiceCode=stuff( ( select ',' + InvoiceCode from ( select a.PrjTaskId,b.InvoiceCode from InvoiceSub a left join Invoice b on a.InvoiceId=b.Id ) c where c.PrjTaskId = d.PrjtaskId for xml path('') ),1,1,'') from InvoiceSub d group by d.PrjTaskId
其中stuff为把第一个逗号去掉
posted on 2012-08-22 17:09 thegavincheng 阅读(151) 评论(0) 编辑 收藏 举报