In article <3C91F9B7-398C-464F-A5F1-C6A790DC1CC7@xxxxxxxxxxx>, James Croft <james.croft@xxxxxxxxxxx> wrote: [given a bunch of temporary tables called session_data] % How can I determine if one of the above relations is a temporary % table in the current session (one of them, the first in ns 2200, is a % normal permanent table)? If there's data in the table, you could "select tableoid from session_data limit 1", then check the namespace corresponding to that table. -- Patrick TJ McPhee North York Canada ptjm@xxxxxxxxxxxx