Query: key_vault_by_resource_group

select
  resource_group || ' [' || sub.title || ']' as "Resource Group",
  count(v.*) as "Vaults"
from
  azure_key_vault as v,
  azure_subscription as sub
where
   v.subscription_id = sub.subscription_id
group by
  resource_group, sub.title
order by
  resource_group;