Hi, currently i'm trying to $SUBJECT, my actual approach is to look at n_tup_upd and n_tup_hot_upd assuming the more near they are the better... is that a good assumption? what else can i see? -- Atentamente, Jaime Casanova Soporte y capacitación de PostgreSQL Asesoría y desarrollo de sistemas Guayaquil - Ecuador Cel. +59387171157 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general