select 1 as admin_exists_p
from dual
where exists (select 1
from all_object_party_privilege_map m, users u, acs_magic_objects amo
where m.object_id = amo.object_id
and amo.name = 'security_context_root'
and m.party_id = u.user_id
and m.privilege = 'admin')
select case when count(object_id) = 0 then 0 else 1 end
from site_nodes
where object_id = (select package_id
from apm_packages
where package_key = 'acs-admin')