Quote Originally Posted by yxez
One of the advantages of creating two separate instance, is that if u have to do some system maintenance on one database like u have to shut it down, the other apps wont get affected.

Thanks a lot for your thoughts.
Shutdown what?

If you shutdown the server your database will all be shutdown

You dont need seperate software to shutdown a database and the other not

If you have 10 instances running are you gonna create 10 ORACKE_HOME?

Sure you can, it´s up to you.