在SQL2000查询中使用XDR的例子

XDR不会不知道吧？就是简化的XML-Data啦。现在示范一个如何实现这样的查询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:INETPUBWWWROOTPBA";;;;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>;;;