Pls help be optimize...

this is my required xml structure ....
"<DataSet><Customers>
<Record><CustomerID>ALFKI</CustomerID><CompanyName>Alfreds Futterkiste</CompanyName><Orders><Record><OrderID>10643</OrderID></Record><Record><OrderID>10692</OrderID></Record><Record><OrderID>10702</OrderID></Record><Record><OrderID>10835</OrderID></Record>
<Record><OrderID>10952</OrderID></Record><Record><OrderID>11011</OrderID></Record></Orders></Record>
</Customers></DataSet>"

the query used was ...
SELECT
1 AS TAG,
NULL AS PARENT,
NULL As [DataSet!1],
NULL As [Customers!2],
NULL AS [Record!3!CustomerID!element],
NULL AS [Record!3!CompanyName!element],
NULL As [Orders!4],
NULL AS [Record!5!OrderID!element]
UNION ALL
SELECT
2 AS TAG,
1 AS PARENT,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
UNION ALL
SELECT
3 AS TAG,
2 AS PARENT,
NULL,
NULL,
Customers.CustomerID,
Customers.CompanyName,
NULL,
NULL
FROM Customers
where Customers.customerID like 'ALFKI'
UNION ALL
SELECT
4 AS TAG,
3 AS PARENT,
NULL ,
NULL,
Customers.CustomerID,
NULL,
NULL,
NULL
FROM Customers
where Customers.customerID like 'ALFKI'
UNION ALL
SELECT
5 AS TAG,
4 AS PARENT,
NULL,
NULL,
Customers.CustomerID,
Null,
NULL,
Orders.OrderID
FROM Customers, Orders
WHERE Customers.CustomerID = Orders.CustomerID and customers.customerID like
'ALFKI'
ORDER BY [Record!3!CustomerID!element],[Record!5!OrderID!element]
FOR XML EXPLICIT

in Northwind db in sql 2000

to get the tag or orders i make an unnecessary query... can i avoid that?
if so how ?