kn0wledge_libr@ry

Запрос выведет размер всех таблиц в базе.

SELECT nspname || '.' || relname AS "relation",
  pg_size_pretty(pg_relation_size(C.oid)) AS "size"
FROM pg_class C
LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
WHERE nspname NOT IN ('pg_catalog', 'information_schema')
ORDER BY pg_relation_size(C.oid) DESC;