Fred Miller <fred@xxxxxxxxxxxxxxxxxxx> writes: > What is the max number of tables allowed in a union (in 8.4 and 9.0)? There's no specific limit. I doubt you'd get good performance with thousands ... regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general