<?php
$stub_query_insert = "INSERT INTO TABLE `tblname` (`Name`, `Address`) VALUES %s";
$query_select = 'SELECT `Name`, `Address` FROM `Client`';

$link1 = '...';//Link to server for SELECT query
$link2 = '...';//Link to server for INSERT query
//Additional actions implied, such as select database etc.
$result_quesry_select = _query($query_select, $link1) or die(_error($link1));
$values = '';
while ($row_query_select = _fetch_array($result_quesry_select)) {
	$values.= "('".mysql_real_escape_string($row_query_select['Name'], $link2)."', '".mysql_real_escape_string($row_query_select['Address'], $link2)."'),";
}
$values = trim($values, ',');
$query_insert = sprintf($stub_query_insert, $values); //Probably, you should not use this construction if you have to import really long list.
mysql_query($query_insert) or die(mysql_error($link2));
?>