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在SQL 2000查询中使用XDR的一些例子

来源: 作者: 出处:巧巧读书 2006-07-26 进入讨论组
访问 http://www.qqread.com/network/server/e212182181.html
  SELECT o.OrderID, o.OrderDate from Orders o, Customers c,
  
  WHERE o.CustomerID = c.CustomerID and c.CompanyName = ?
  
  Code:
  
  <%@ Language=VBScript %>
  
  <%
  
    Dim sConn
  
    sConn = "Provider=SQLOLEDB; Data Source=(local); Initial Catalog=Northwind; User ID=SA;Password=;"
  
    Dim adoConn
  
    Set adoConn = Server.CreateObject("ADODB.Connection")
  
    adoConn.ConnectionString = sConn
  
    adoConn.CursorLocation = 3 'adUseClient
  
    adoConn.Open
  
    Dim adoCmd
  
    Set adoCmd = CreateObject("ADODB.Command")
  
    Set adoCmd.ActiveConnection = adoConn
  
    adoCmd.CommandText = "Customer[@CompanyName=""Tortuga Restaurante""]"
  
    adoCmd.Dialect = "{ec2a4293-e898-11d2-b1b7-00c04f680c56}"
  
     adoCmd.Properties("Mapping Schema") = "Orders.xml"
  
    adoCmd.Properties("Base Path") = "C:\INETPUB\WWWROOT\PBA\"
  
    adoCmd.Properties("Output Stream") = Response
  
    Response.write "<XML ID='MyDataIsle'>"
  
    adoCmd.Execute , , 1024 'adExecuteStream
  
    Response.write "</XML>"
  
  %>
  
  Result:
  
  <XML ID="MyDataIsle">
  
  <Customer CustomerID="TORTU" CompanyName="Tortuga Restaurante">
  
   <Order CustomerID="TORTU" OrderID="10276" OrderDate="1996-08-08T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10293" OrderDate="1996-08-29T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10304" OrderDate="1996-09-12T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10319" OrderDate="1996-10-02T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10518" OrderDate="1997-04-25T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10576" OrderDate="1997-06-23T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10676" OrderDate="1997-09-22T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10842" OrderDate="1998-01-20T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="10915" OrderDate="1998-02-27T00:00:00" />
  
   <Order CustomerID="TORTU" OrderID="11069" OrderDate="1998-05-04T00:00:00" />
  
  </Customer>
  
  </XML> 
  
  Orders.xml
  
  <?xml version="1.0" ?>
  
  <Schema xmlns="urn:schemas-microsoft-com:xml-data" xmlns:dt="urn:schemas-microsoft-com:datatypes"
  
  xmlns:sql="urn:schemas-microsoft-com:xml-sql">
  
   <ElementType name="Order" sql:relation="Orders">
  
    <AttributeType name="CustomerID" />
  
    <AttributeType name="OrderID" />
  
    <AttributeType name="OrderDate" />
  
    <attribute type="CustomerID" sql:field="CustomerID" />
  
    <attribute type="OrderID" sql:field="OrderID" />
  
    <attribute type="OrderDate" sql:field="OrderDate" />
  
   </ElementType>
  
   <ElementType name="Customer" sql:relation="Customers">
  
    <AttributeType name="CustomerID" />
  
    <AttributeType name="CompanyName" />
  
    <attribute type="CustomerID" sql:field="CustomerID" />
  
    <attribute type="CompanyName" sql:field="CompanyName" />
  
    <element type="Order">
  
     <sql:relationship key-relation="Customers" key="CustomerID" foreign-key="CustomerID" foreign-
  
  relation="Orders" />
  
    </element>
  
   </ElementType>
  
  </Schema> 更多文章 更多内容请看SQL Server 索引和查询专题专题,或进入讨论组讨论。
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