I would think this would be possible. I'm on 9.0.8 I have a reference between two tables, and want to populate a field in one table with a value that's in the referenced table ( based on the FK reference of course ). with row as ( select my.atmos_site_id, my.stationid from my_stations my, atmos_sites asites where my.atmos_site_id = asites.id ) update atmos_sites set stationid = row.stationid where id = row.atmos_site_id; I get a syntax error at "update". Seems updates don't act quite like selects. Do I need to write a function that iterates to do an update like this? thanks in advance, -ds -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general