I'd like to understand a bit more about indexes in PG. When I have a row in a table, and an index, say, for a single column, does that duplicate the entire row on disk? Or is there some kind of id lookup involved?
Thanks. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
