DBA Parameters

select
x.*
from
(
select
gp.*,
count(distinct gp.value) over (partition by gp.name) dupl_count
from
gv$parameter gp
union all
select
to_number(sys_context('userenv','instance')) inst_id,
vp.*,
1 dupl_count
from
v$parameter vp
where
vp.name not in (select gp.name from gv$parameter gp)
) x
where
1=1
order by
x.name,
x.inst_id

select x.* from ( select gp.*, count(distinct gp.value) over (partition by gp.name) dupl_count from gv$parameter gp union all select to_number(sys_context('userenv','instance')) inst_id, vp.*, 1 dupl_count from v$parameter vp where vp.name not in (select gp.name from gv$parameter gp) ) x where 1=1 order by x.name, x.inst_id