
select b.Name bkpr, s.Username spid, p.Pid
 from V$BGPROCESS b, V$SESSION s, V$PROCESS p
 where p.Addr = b.Paddr(+)
      and p.Addr = s.Paddr;


local_listener =  (ADDRESS_LIST = (Address = (Protocol = TCP) (Host =HQ1)
(Port=1524)) (Address=(Protocol = IPC) (Key= HQ)))


>lsnrctl
services
