TSQL如果其子元素包含给定值,则删除XML节点
发布时间:2020-12-16 23:11:56 所属栏目:百科 来源:网络整理
导读:XML存储可以具有零个或多个地址 Addresses下的节点 需要查询才能删除任何地址其 AddressLine的节点=’2教堂巷’ 启动XML: declare @t table (storage xml);insert into @t (storage)select 'Person Fullname / SurnameSmith/Surname FirstNameJohn/FirstNam
XML存储可以具有零个或多个<地址> < Addresses>下的节点
需要查询才能删除任何<地址>其< AddressLine>的节点=’2教堂巷’ 启动XML: declare @t table (storage xml); insert into @t (storage) select '<Person> <Fullname /> <Surname>Smith</Surname> <FirstName>John</FirstName> <Addresses> <Address> <AddressLine>1 Church Lane</AddressLine> </Address> <Address> <AddressLine>2 Church Lane</AddressLine> </Address> <Address> <AddressLine>3 Church Lane</AddressLine> </Address> </Addresses> </Person>'; 产生的XML: <Person> <Fullname /> <Surname>Smith</Surname> <FirstName>John</FirstName> <Addresses> <Address> <AddressLine>1 Church Lane</AddressLine> </Address> <Address> <AddressLine>3 Church Lane</AddressLine> </Address> </Addresses> </Person> 解决方法
找到了:
update @t SET storage.modify(' delete (/Person/Addresses/Address[AddressLine = "2 Church Lane"]) ') (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! |