<?
$conn = mysql_connect("localhost","usuario","senha");
mysql_select_db("heldinho");
$sql = "select * FROM cliente WHERE nome like 'a%' ";
$query = mysql_query($sql);
$num_row = mysql_num_rows($query);
while($row2 = mysql_fetch_row($query)){
$nome = $row2[0];
$endereco = $row2[1];
[COLOR=red]echo $nome.' - '.$endereco;[/COLOR]
}
mysql_free_result($query);
?>
Tenta assim...