Verifier la taille des bases:
SELECT pg_database.datname, pg_size_pretty(pg_database_size(pg_database.datname)) AS size FROM pg_database;
Verifier la taille de la base VCDB:
SELECT pg_size_pretty(pg_database_size('VCDB'));
Trouver les plus grosses tables:
SELECT 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 LIMIT 15;
Lister les bases de donnée:
\list
ou
\l
Lister toutes les tables:
\dt *.
Lister toutes les table d'un schema.
\dt vumdbc.
\dt vc.
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