Originally Posted by
Protege
Say you have this chat room you've produced and instead of using your own user database you want to use your forums, so you connect to that database but in your chat room you want to keep different information, say the users styles in chat (fonts, size, colour) so you use your own database for that (and for the other things in your chat room) - you'd need to connect to two databases.
So if you wanted to advance and do that, how could you do that with a singleton database class?
Another one is, You want your customers forum login and billing login to always stay the same etc.