select 1 as tag,null as parent,
1 as [MachineSet!1!id],
Null as [Machine!2!id],
Null as [Machine!2!Name],
Null as [Machine!2!WholeNumber!element],
Null as [Machine!2!EngineNumber!element],
Null as [Machine!2!LeaveDate!element]
union all
select 2,1,
Null,
Machine_Id,
Machine_Number,
Machine_WholeNumber,
Machine_EngineNumber,
Machine_LeaveFactoryDate
from TB_E_Machine
for xml explicit;
1 as [MachineSet!1!id],
Null as [Machine!2!id],
Null as [Machine!2!Name],
Null as [Machine!2!WholeNumber!element],
Null as [Machine!2!EngineNumber!element],
Null as [Machine!2!LeaveDate!element]
union all
select 2,1,
Null,
Machine_Id,
Machine_Number,
Machine_WholeNumber,
Machine_EngineNumber,
Machine_LeaveFactoryDate
from TB_E_Machine
for xml explicit;
而且是在本地实现的,减少了服务器的负载,和网络流量
SELECT Customers.CustomerID, ContactName, CompanyName,
Orders.CustomerID, OrderDate
FROM Customers, Orders
WHERE Customers.CustomerID = Orders.CustomerID
AND (Customers.CustomerID = N'ALFKI'
OR Customers.CustomerID = N'XYZAA')
ORDER BY Customers.CustomerID
FOR XML AUTO
将表/查询存储为标准的XML文件
--邹建 2003.12(引用请保留此信息)--*//*--调用示例
--用SQL用winows身份验证的情况
exec p_savexml @sql='地区资料',@fname='c:\地区资料.xml' --用指定的用户
exec p_savexml @sql='地区资料',@fname='c:\地区资料.xml',@userid='sa'
--*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_savexml]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_savexml]
GOcreate proc p_savexml
@sql varchar(8000), --要保存的表/视图/SQL查询语句
@fname varchar(1000)='c:\tmp.xml', --保存的XML文件名
@userid varchar(50)='', --用户名,如果为nt验证方式,则为''
@password varchar(50)='' --密码
as
declare @err int,@src varchar(255),@desc varchar(255)
declare @obj int,@constr varchar(1000)
if isnull(@userid,'')=''
set @constr='Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog='
+db_name()+';Data Source='+@@servername
else
set @constr='Provider=SQLOLEDB.1;Persist Security Info=True;'
+'User ID='+@userid+';Password='+isnull(@password,'')
+';Initial Catalog='+db_name()+';Data Source='+@@servernameexec @err=sp_oacreate 'adodb.recordset',@obj out
if @err<>0 goto lberrexec @err=sp_oamethod @obj,'open',null,@sql,@constr
if @err<>0 goto lberrset @sql='del '+@fname
exec master..xp_cmdshell @sql,no_output
exec @err=sp_oamethod @obj,'save',null,@fname,1
if @err<>0 goto lberrexec @err=sp_oadestroy @obj
returnlberr:
exec sp_oageterrorinfo 0,@src out,@desc out
select cast(@err as varbinary(4)) as 错误号
,@src as 错误源,@desc as 错误描述
go