Método 1: (la consulta es solo un valor estimado, que no es consistente con el volumen de datos real)
select relname as 表名, reltuples as 记录数
from pg_class
where relkind = 'r'
and relnamespace = (select oid from pg_namespace where nspname='指定schema') order by 记录数 desc;
Ejemplos:
select relname as 表名, reltuples as 记录数
from pg_class
where relkind = 'r'
and relnamespace = (select oid from pg_namespace where nspname='npas') order by 记录数 desc;
Pero siente que los registros consultados no son consistentes con los
43423432432
Método dos:
SELECT schemaname,relname,n_live_tup FROM pg_stat_user_tables
where schemaname='npas'
ORDER BY n_live_tup DESC;
Materiales de referencia: