On Wed, 4 Jan 2012, Ondrej Ivanič wrote:
window functions might be helpful: http://www.postgresql.org/docs/9.1/static/tutorial-window.html
Thanks. I'll carefully read this. Much appreciated, Rich -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
