Thursday, August 20, 2009, 9:01:30 AM you wrote: > i am developing a web app for thousands users (1.000/2.000). > Each user have a 2 table of work...I finally have 2.000 (users) x 2 > tables = 4.000 tables! If all tables are created equal, I would rethink the design. Instead of using 2 tables per user I'd use 2 tables with one column specifying the user(-id). Especially changes in table layout would require you to change up to 2000 tables, which is prone to errors... -- Jochen Erwied | home: jochen@xxxxxxxxx +49-208-38800-18, FAX: -19 Sauerbruchstr. 17 | work: joe@xxxxxxxxxxxxxxx +49-2151-7294-24, FAX: -50 D-45470 Muelheim | mobile: jochen.erwied@xxxxxxxxxxx +49-173-5404164 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance