Requêtes pour connaître la taille des bases de données et la taille des tables :

Taille des bases de données :

SELECT
  table_catalog AS database,
  table_schema AS schema,
  SUM(bytes) AS bytes
FROM "<base de donnée>".information_schema.tables
GROUP BY database, schema
UNION ALL
SELECT
  table_catalog AS database,
  table_schema AS schema,
  SUM(bytes) AS bytes
FROM "SNOWFLAKE".information_schema.tables
GROUP BY database, schema;

Taille des tables :

select table_schema,
       table_name,
       round(bytes/1024/1024, 2) as table_size
from information_schema.tables
where table_type = 'BASE TABLE'
order by table_size desc;