How to send SQL query results to XML ?

Hey Guys, I am querying a DB with huge amount of traffic. A user select a particular lot and then details of the lot will be displayed in the following page. My concern here is that it takes really LONG to retrieve back the results coz it has to requiry in the following JSP page.
I was told to use XML to retrieve the dataset and store it. Hence, in the following query it will re-query only from the recordsets in the XML file (...Logically, should be faster rite ? ). Hence, how do parse my recordsets retrieved from the SQL query to an XML file ?
Any sort of suggestion , help, reference would be deeply appreciated ..Thanks !

<HTML>
<BODY>
<H1>Manufacturing Summary beta </H1><BR>
<%@ page import="java.sql.*" %>
<%@ page import="java.lang.*" %>
<%@ page import="java.text.*" %>
<jsp:include page="/index.html" flush="true"/>
<P><B>Returned result<B><BR>
<B>Query String :</B><%=request.getParameter("date") %>
<TABLE BORDER=1 cellpadding=0 cellspacing=0>
<%!
static double roundDouble(double toBeRounded, int fractionDigits)
NumberFormat format = NumberFormat.getInstance();
format.setMaximumFractionDigits(fractionDigits);
String tempDouble = format.format(toBeRounded);
return Double.parseDouble(tempDouble);
%>
<%
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@klmomnidb:1521:
OMNIDB","omni","omni");
Statement stmt = null;
ResultSet rset = null;
String S_date = new String();
String temp = new String();
String lot_id = new String();
String result = new String();
String SQL_String = new String();
double yield;
int bad_cnt;
S_date = request.getParameter("date");
lot_id = request.getParameter("lot_id");
temp = request.getParameter("TST_TEMP");
SQL_String = "SELECT LOT_ID, FLOW_ID, TST_TEMP, MODE_COD, RTST_COD, PART_CNT, GO
OD_CNT, OPER_NAM, JOB_REV, PROC_ID, START_T, FACIL_ID, TSTR_TYP, NODE_NAM FROM L
OT where START_T > TO_DATE('"+ S_date + "','MM/DD/YYYY') AND TST_TEMP <='" + tem
p+"' order by START_T";
out.println(SQL_String);
stmt = conn.createStatement();
rset = stmt.executeQuery (SQL_String);
out.println("<TR>");
out.println("<TD> Select Lot(s)</TD>");
out.println("<TD>Flow </TD>");
out.println("<TD>Temp </TD>");
out.println("<TD>Test Mode </TD>");
out.println("<TD>Retest</TD>");
out.println("<TD>Total </TD>");
out.println("<TD>Good</TD>");
out.println("<TD>Bad</TD>");
out.println("<TD>Yield </TD>");
out.println("<TD>UserID</TD>");
out.println("<TD>Program</TD>");
out.println("<TD>Mask</TD>");
out.println("<TD>Start Time </TD>");
out.println("<TD>Loc </TD>");
out.println("<TD>Tester</TD>");
out.println("<TD>System </TD>");
out.println("</TR>");
if (! rset.next()) {
result ="No records found matching seach criteria.";
while (rset.next()) {
bad_cnt = Integer.parseInt(rset.getString(6)) - Integer.parseInt(rset.getString(
7));
yield = (Double.parseDouble(rset.getString(7)) / Double.parseDouble(rset.getStri
ng(6))) * 100;
result= "<TR>";
result = result + "<TD><a href=coolpage.jsp?LOT_ID=" + rset.getString(1)+ ">" +
rset.getString(1) + "</A></TD>";
result = result + "<TD>" + rset.getString(2) + "</TD>";
result = result + "<TD>" + rset.getString(3) + "</TD>";
result = result + "<TD>" + rset.getString(4) + "</TD>";
result = result + "<TD>" + rset.getString(5) + "</TD>";
result = result + "<TD>" + rset.getString(6) + "</TD>";
result = result + "<TD>" + rset.getString(7) + "</TD>";
result = result + "<TD>" + bad_cnt + "</TD>";
result = result + "<TD>" + roundDouble(yield,2) + "% </TD>";
result = result + "<TD>" + rset.getString(8) + "</TD>";
result = result + "<TD>" + rset.getString(9) + "</TD>";
result = result + "<TD>" + rset.getString(10) + "</TD>";
result = result + "<TD>" + rset.getString(11) + "</TD>";
result = result + "<TD>" + rset.getString(12) + "</TD>";
result = result + "<TD>" + rset.getString(13) + "</TD>";
result = result + "<TD>" + rset.getString(14) + "</TD>";
result = result + "</TR>"; %>
<%=result%>
<% }
rset.close();
stmt.close();
conn.close();
%>
<%=result%>
</TABLE>
</BODY>
</HTML>

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$next = $Excel.workbooks.Open($loopy)
$next.ActiveSheet.Move($dest.ActiveSheet)
$xlsRng = $dest.ActiveSheet.UsedRange
$xlsRng.EntireColumn.AutoFit() | Out-Null
$dest.sheets.item('Sheet1').Delete()
$xlsFile = "D:\Scripts\MonthlyReboots.xlsx"
[void] $Excel.ActiveWorkbook.SaveAs($xlsFile)
$Excel.Quit()
While ([System.Runtime.Interopservices.Marshal]::ReleaseComObject($xlsRng)) {'cleanup xlsRng'}
While ([System.Runtime.Interopservices.Marshal]::ReleaseComObject($next)) {'cleanup xlsSh'}
While ([System.Runtime.Interopservices.Marshal]::ReleaseComObject($Book)) {'cleanup xlsWb'}
While ([System.Runtime.Interopservices.Marshal]::ReleaseComObject($Excel)) {'cleanup xlsObj'}
[gc]::collect() | Out-Null
[gc]::WaitForPendingFinalizers() | Out-Null
}#End end block.
}#End function run-query.
$queries = @()
$queries += @'
Select * from table1
$queries += @'
Select * from table2
$sheetnames = @("Cert","Prod")
$filenames = @("D:\Scripts\Prod.csv","D:\Scripts\Cert.csv")
Run-Query -queries $queries -sheetnames $sheetnames -filenames $filenames
Start-Sleep -Milliseconds 50
Invoke-Item D:\Scripts\MonthlyReboots.xlsx

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