Yves Colin has been an Oracle DBA since 2000. In most of his previous positions he has worked as a database architect (database design, architecture, performance troubleshooting and tuning) in software and services companies, mainly on very large databases. He is currently working for DIGORA, as a database consultant. He is also one of the organizers of the Paris Oracle User Group (www.meetup.com/fr-FR/parisoracle/) and Oracle ACE Associate.