On Sun, Mar 21, 2010 at 9:14 PM, Dave Crooke <dcrooke@xxxxxxxxx> wrote: > Note however that Oracle offeres full transactionality and does in place row > updates. There is more than one way to do it. There's no free lunch. If you do mvcc you have to maintain multiple versions of the same row. merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance