#查詢所有數據庫大小
select datname AS db_name, pg_size_pretty(pg_database_size(datname)) as db_size
from pg_database order by pg_database_size(datname) desc;
#查詢所有數據庫大小
select datname AS db_name, pg_size_pretty(pg_database_size(datname)) as db_size
from pg_database order by pg_database_size(datname) desc;