By David DeWitt on January 17, 2008 4:20 PM | Permalink | Comments (43) | TrackBacks (1) [Note: Although the system attributes this post to a single author, it was written by David J. DeWitt and Michael Stonebraker] On January 8, a Database Column reader asked for our views on new distributed database research efforts, and we'll begin here with our views on MapReduce. This is a good time to discus