Hello Why? There are no multilevels structures in pg. Variables should be joined with schemas or extensions. Other levels are messy. ----- "M Better" -- View this message in context: http://postgresql.1045698.n5.nabble.com/postgres-9-0-4-configuration-and-performance-issue-tp5774309p5774369.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general