Alexander Farber <alexander.farber@xxxxxxxxx> wrote: > update pref_users set medals = 0; > UPDATE 223456 You're probably going to like your performance a lot better if you modify that to: update pref_users set medals = 0 where medals <> 0; -Kevin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general