Oracle OpenWorld 2009: Photo gallery Summary: There are large conferences, and then there is Oracle OpenWorld. A mega-conference that sees over 40,000 attendees descend on San Francisco. By Chris Duckett | October 16, 2009 -- 01:06 GMT (18:06 PDT) Follow @dobes Previous | Next Image 2 of 13 Dell founder and CEO Michael Dell takes to the stage. (Credit: Chris Duckett/ZDNet.com.au) Topics: Dell, Big Data, Data Management, Enterprise Software, Oracle Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.