Hi, Alfter hours of adjusting performance of the queries in my Postgres 7.3 database - reprogramming the queries, VACUUMing, changing value of enable_seqscan - I gived it up, recreated the database and transferred the dump of the old database into it. The queries went from 15 sec to 50 msec!! Wow. Now I would really love to know how the old database got that slow, and how can I avoid it in the future. Any tips are greatly appreciated! Thanks! Ksenia.