Believe it or not, but you wouldn't even get access to make any database requests, but I mean, for that you would have to get past the firewall into the mainframe and all that :^)
But to give you a tip, in case you at least somewhat know what you're doing... maybe check for any hidden information in the HTML?
You won't be able to login, because there is no login. It's just a honeypot, the ssl url you probably got this page from is the only other thing on this subdomain. Enjoy!