>> Does Postgres allow updates based on the context of a sub-query, something like the sample below ? Yes, Update real_tab set real_tab.data_desc = temp_tab.data_desc >From temp_tab Where real_tab.keyID = temp_tab.keyID (don't repeat your updated table in the "from" list unless you Mean to self-join) http://www.postgresql.org/docs/8.3/interactive/sql-update.html -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
