How to get the SID, SPID, USERNAME, TERMINAL & Application from oracle database
The SID, SPID, USERNAME, TERMINAL & Application query :
select 
        s.sid, p.spid, substr(s.username,1,20) username, s.terminal, p.Program
  from 
       v$session s, v$process p
 where 
       s.paddr = p.addr
   and 
       s.sid = (select sid from v$mystat where rownum=1)
;