Richard Huxton wrote: > The only differences I can think of are WAL logging (transaction > log) and index updates (the temp table has no indexes). What about foreign keys? Are there any tables which reference the updated column in a foreign key declaration? Do they have indexes on that column? -Kevin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general