always make SQL re-usuable: -:)
-- ===================================================
-- &role_name will be "enter value for 'role_name'".
-- Date: 2015 NOV 11.
-- sample code: define role_name=&role_name
-- sample code: where role like '%&&role_name%'
-- ===================================================
define role_name=&role_name
select * from ROLE_ROLE_PRIVS where ROLE = '&&role_name';
select * from ROLE_SYS_PRIVS where ROLE = '&&role_name';
select role, privilege,count(*)
from ROLE_TAB_PRIVS
where ROLE = '&&role_name'
group by role, privilege
order by role, privilege asc
;