Hello everyone, i am new to codeigniter i am using amazon EC2 and i just cannot connect to my data base. i get the following error.

A Database Error Occurred

Unable to connect to your database server using the provided settings.

Filename: core/Loader.php

Line Number: 347

when i tried to change

to

i get error

No database selected.

I am not getting what is wrong, and i am sure my parameters are correct, then why?
any help please??

99% of the time, it means your parameters are wrong. Post up all of your params (less any sensitive passwords and such) if you’re still having difficulty.

Yeah it was host name i had it with the domain ip first but when i changed it localhost it worked, Thanks alot!