Hi Massimo This [1] is missing in the book. Maybe here [2]
Best Regards, Jose [1] http://groups.google.com/group/web2py/browse_thread/thread/53fce3ec3f616706/b4a989135cfe392a [2] http://www.web2py.com/book/default/chapter/06#Legacy-Databases-and-Keyed-Tables
