Max (id) Min(id)

[kodode]

$totrisul = mysql_query("SELECT MAX(ID) as MAX_ID, MIN(ID) as MIN_ID from guest")
or die("Query non valida: " . mysql_error());

//CICLO
while ( $RECval = mysql_fetch_array( $rsINT ) ) {
    //LETTURA DATI
    $nome_campo = $RECval["nome_campo"]  ;
}