Here’s a really good article on Oracle and where it’s gargantuan profits come from.
http://www.informationweek.com/news/global-cio/interviews/showArticle.jhtml?articleID=220000978&pgno=1&queryText=&isPrev=
A hint: Comes from services and that’s because there’s no other company around offering anything like Oracle that they switch to.
If there were, Oracle would be toast and they might be toast if database Cloud Computing takes off.