原文地址:https://blog.csdn.net/u010673842/article/details/79637618 ...
查看重復的構件編碼SELECT FROM SELECT NCOMPONENTCODE, COUNT AS RepeatNum, 分部分項名稱 STUFF SELECT , PROJECTNAME FROM TB PROJECTS WHERE NCOMPONENTCODE a.NCOMPONENTCODE FOR XML PATH , , , AS PROJECTNAME 分部分項名稱 多個以逗號 ...
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原文地址:https://blog.csdn.net/u010673842/article/details/79637618 ...
原表: Parent Child Charles William Charles ...
一、查詢結果使用,字符串拼接 declare @names nvarchar(1000) declare @ParmDefinition nvarchar(1000) declare @sqltext nvarchar(500) set @sqltext=N'Select @names ...
參考:SQL server中null+字符串,isnull以及把查詢結果賦給一個字符變量組成另一個查詢語句 1.開始定義的字符串都為null.例如:declare @sql,那么@sql就是null 如果后面要進行 變量字符串的變量拼接的話,最好是給@sql先賦值為空 或者 其他變量 ...
create table tb(id int, value varchar(10)) insert into tb values(1, 'aa') insert into tb values(1, ' ...
/* 分組之后拼接字符串 */ ;with t as( SELECT WorkflowId,Remark FROM dbo.OperatorAutomationProcess GROUP BY WorkflowId,Remark ) , H AS( SELECT ...
with temp00 as (select '1' id,'zhangsan' name,'gaoshu' cla,'3' num select '2' id,'lisi' name,'gaosh ...