学步园

1.

SELECT   t2.username, t2.SID, t2.serial#, t2.logon_time
    FROM v$locked_object t1, v$session t2
   WHERE t1.session_id = t2.SID
ORDER BY t2.logon_time;

2.

SELECT   sql_text
    FROM v$session a, v$sqltext_with_newlines b
   WHERE DECODE (a.sql_hash_value, 0, prev_hash_value, sql_hash_value) =
                                                                  b.hash_value
     AND a.SID = &sid
ORDER BY piece;

3.ALTER SYSTEM KILL SESSION 'SID, serial#';