Query: kms_key_age_report

select
  k.name as "Name",
  k.id as "OCID",
  now()::date - k.time_created::date as "Age in Days",
  k.time_created as "Create Time",
  k.vault_name as "Vault Name",
  k.lifecycle_state as "Lifecycle State",
  t.title as "Tenancy",
  coalesce(c.title, 'root') as "Compartment",
  k.region as "Region"
from
  oci_kms_key as k
  left join oci_identity_compartment as c on k.compartment_id = c.id
  left join oci_identity_tenancy as t on k.tenant_id = t.id
where
  k.lifecycle_state <> 'DELETED'
order by
  k.time_created,
  k.name;