On Tue, Nov 16, 2010 at 12:03:29PM +0100, Pavel Stehule wrote: > Hello > > my opinion: > > @1 can be faster for access to last items with index > @2 can be more effective about data files length allocation Hi Pavel, What is "data files length allocation" ? -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance