root@mbr-01:/var/log/postgresql# mb db sizes
Size(MB) Relation
  0.0    filearr
  0.0    filearr_path_key
  0.0    filearr_pkey
  0.0    pg_foreign_server
  0.0    pg_foreign_server_name_index
  0.0    pg_foreign_server_oid_index
  0.0    pg_user_mapping_user_server_index
  0.0    server
  0.0    server_enabled_status_baseurl_score_key
  0.0    server_identifier_key
  0.0    server_pkey
  0.0    sql_sizing_profiles
Total: 0.1
root@mbr-01:/var/log/postgresql#