--查看重复的构件编码SELECT * FROM ( SELECT NCOMPONENTCODE, COUNT(1) AS RepeatNum, --分部分项名称 STUF ...
原文地址:https: blog.csdn.net u article details ...
2018-12-13 09:20 0 4439 推荐指数:
--查看重复的构件编码SELECT * FROM ( SELECT NCOMPONENTCODE, COUNT(1) AS RepeatNum, --分部分项名称 STUF ...
原表: Parent Child Charles William Charles ...
一、查询结果使用,字符串拼接 declare @names nvarchar(1000) declare @ParmDefinition nvarchar(1000) declare @sqltext nvarchar(500) set @sqltext=N'Select @names ...
参考:SQL server中null+字符串,isnull以及把查询结果赋给一个字符变量组成另一个查询语句 1.开始定义的字符串都为null.例如:declare @sql,那么@sql就是null 如果后面要进行 变量字符串的变量拼接的话,最好是给@sql先赋值为空 或者 其他变量 ...
create table tb(id int, value varchar(10)) insert into tb values(1, 'aa') insert into tb values(1, ' ...
/* 分组之后拼接字符串 */ ;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 ...