Query: sql_database_by_resource_group

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