Thanks for the quick reply!
My company purchased DevArt's dotConnect, and, from what my team leader said, it has better performances than Oracle.DataAccess.Client. Moreover,
dotConnect for Oracle can be used without Oracle Client Software installed.
A new project has to be done in the near future, and we need a ORM solution. That's how I got to Telerik OpenAccess (an excellent product from my point of view). But, they paid for this dotConnect data provider, so they want to make use of it. :-)
A little comparison that he gave me:
Thanks a lot!