SELECT [id] ,[AlarmID] ,[ItemName] ,[isDeleted] ,[Remark] FROM [LjlData].[dbo].[T_BaseDetail] union select 0 ,‘‘,‘‘,‘‘--
union 后面的列要和前面一样 而且要类型相同
SELECT [Code] ,[AlarmID] ,[ItemName] ,[isDeleted] ,[Remark] FROM [LjlData].[dbo].[T_BaseDetail] union select 0--
原文：http://www.cnblogs.com/muxueyuan/p/4892548.html
