postgresql7.1 select to_char(creation_date,'YYYYMM') as sort_key, rtrim(to_char(creation_date,'Month')) as pretty_month, to_char(creation_date,'YYYY') as pretty_year, count(*) as n_new from users, acs_objects where users.user_id = acs_objects.object_id and creation_date is not null group by to_char(creation_date,'YYYYMM'), to_char(creation_date,'Month'), to_char(creation_date,'YYYY') order by 1