1) its obvious that you did not read the forum rules, otherwise you would not put the most useless headline ever
2) it also obvious that you did not search the forum, wich is number 3 rule on this forum
3) and dont waste more of your time, I'll answer to your question (actualy reading again your post I see no question or whatsoever!, so a reply such as "OK" should do
)
Contact your host administrator and ask them details on how to connect and use database on your server. then update config.php with the correct info.