Hi, this is a conceptual question, if you can please I want to expose a course about 10g new features, and I was thinking when I could say Juan Carlos Reyes ORACLE EXPERT (I'm not going to say that still) I only want to know What have to pass to use such credential. how much books write? How years of experience? Which kind of recognition? etc, Could you giveme some clue? Thanks Juan Carlos Reyes Pacheco Oracle Certified Professional 9i,10g Developer Certified Professional 6i -- //www.freelists.org/webpage/oracle-l