示例:指定 ELEMENT 指令

这会检索员工信息并生成以元素为中心的 XML,如下所示:

<Employee EmpID=...>  
  <Name>  
    <FName>...</FName>  
    <LName>...</LName>  
  </Name>  
</Employee>  

除了在列名称中添加 ELEMENT 指令外,查询保持不变。 因此,将<FName>和<LName>作为子元素添加到<Name>元素中,而不是作为属性。 Employee!1!EmpID列由于未指定ELEMENT指令,因此EmpID被添加为<Employee>元素的属性。

SELECT 1    as Tag,  
       NULL as Parent,  
       E.BusinessEntityID as [Employee!1!EmpID],  
       NULL       as [Name!2!FName!ELEMENT],  
       NULL       as [Name!2!LName!ELEMENT]  
FROM   HumanResources.Employee AS E  
INNER JOIN Person.Person AS P  
ON  E.BusinessEntityID = P.BusinessEntityID  
UNION ALL  
SELECT 2 as Tag,  
       1 as Parent,  
       E.BusinessEntityID,  
       FirstName,   
       LastName   
FROM   HumanResources.Employee AS E  
INNER JOIN Person.Person AS P  
ON  E.BusinessEntityID = P.BusinessEntityID  
ORDER BY [Employee!1!EmpID],[Name!2!FName!ELEMENT]  
FOR XML EXPLICIT;  

下面是部分结果:

<Employee EmpID="1">

<Name>

<FName>Ken</FName>

<LName>S??nchez</LName>

</Name>

</Employee>

<Employee EmpID="2">

<Name>

<FName>Terri</FName>

<LName>Duffy</LName>

</Name>

</Employee>

...

另请参阅

将 EXPLICIT 模式与 FOR XML 配合使用