I also recommend Firebird. I like the fact that the database is in its own file that can be copied from one platform to another.
Although you can only do that between platforms having the same byte order. Backing up and restoring is a more reliable way to do cross-platform database copying.
-- Greg Ewing, Computer Science Dept, University of Canterbury, Christchurch, New Zealand http://www.cosc.canterbury.ac.nz/~greg -- http://mail.python.org/mailman/listinfo/python-list