2010年8月アーカイブ

SELECT
  relname,
  relkind,
  to_char(reltuples, '999,999,999') as rows,
  to_char(pg_relation_size(relname), '999,999,999,999') as bytes
FROM pg_class
WHERE relnamespace = (SELECT oid FROM pg_namespace WHERE nspname='public')
order by bytes desc;

参考