
Postgresql
Who uses oracle any more? You have to be daft to use that clunky database. Even Sybase is a better solution, but hey with the likes of Postgresql and MySQL it is just plain silly to use anything else.
A lot of the big softtware companies are going down in the next year or so, open source has prevailed for the utility software that developers need to build solution on. And quite frankly there is no love lost, none of the big software corps helped out developers, bar perhaps IBM.