"Sean Weissensee" <pginfo@ionsol.com.au> writes:
> We are planing to upgrade to version 7 of Postgres,
> I understand that you cannot use version 6 databases with 7.
> Where can I find information on how to convert these Databases ?
Short version: pg_dumpall (with old version), initdb, reload.
Long version: Great Bridge's docs explain upgrading in excruciating
detail ;-). You can download PDFs for free from
http://www.greatbridge.com/docs/
regards, tom lane