$dati = mysql_query("select * from tabella WHERE ab_id={$_GET['id']} ");
oppure
$dati = mysql_query("select * from tabella WHERE ab_id=".$_GET['id']."");
![]()
$dati = mysql_query("select * from tabella WHERE ab_id={$_GET['id']} ");
oppure
$dati = mysql_query("select * from tabella WHERE ab_id=".$_GET['id']."");
![]()