SELECT s.sid, s.username, s.status, u.tablespace, u.segfile#, u.contents, u.extents, u.blocks
    FROM v$session s, v$sort_usage u
    WHERE s.saddr=u.session_addr
    ORDER BY u.tablespace, u.segfile#, u.segblk#, u.blocks;
    

alter system kill session '28,206';