Connecting to Multiple Databases at once

<?php
    include('adodb.inc.php');     # load code common to ADOdb
    $conn1 = &ADONewConnection('mysql');  # create a mysql connection
    $conn2 = &ADONewConnection('oracle');  # create a oracle connection

    $conn1->PConnect($server, $userid, $password, $database);
    $conn2->PConnect(false, $ora_userid, $ora_pwd, $oraname);

    $conn1->Execute('insert ...');
    $conn2->Execute('update ...');
?>