col parameter for a48
col value_session for a24
col value_instance for a24
select a.ksppinm parameter, b.ksppstvl value_session,
       c.ksppstvl value_instance
  from x$ksppi a, x$ksppcv b, x$ksppsv c
 where a.indx = b.indx and a.indx = c.indx
   and substr(ksppinm,1,1)='_'
   and ksppinm like '%%'
order by a.ksppinm;