讲解Oracle数据库中结束死锁进程的一般方法

select username,lockwait,status,machine,program from v$session where sid in

  ( select session_id from v$locked_object)

select sql_text from v$sql where hash_value in

( select sql_hash_value from v$session where sid in

( select session_id from v$locked_object))

SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#,

l.ORACLE_USERNAME,l.OS_USER_NAME,l.PROCESS

FROM V$LOCKED_OBJECT l,V$SESSION S WHERE l.SESSION_ID=S.SID;

alter system kill session ‘sid,serial#'; （其中sid=l.session_id）

select pro.spid from v$session ses,

v$process pro

where

ses.sid=XX

and ses.paddr=pro.addr;

SELECT sn.username,

     m.SID,

     sn.SERIAL#,

     m.TYPE,

     DECODE(m.lmode,

        0,

        'None' ,

        1,

        'Null' ,

        2,

        'Row Share' ,

        3,

        'Row Excl.' ,

        4,

        'Share' ,

        5,

        'S/Row Excl.' ,

        6,

        'Exclusive' ,

        lmode,

        LTRIM(TO_CHAR(lmode, '990' ))) lmode,

     DECODE(m.request,

        0,

        'None' ,

        1,

        'Null' ,

        2,

        'Row Share' ,

        3,

        'Row Excl.' ,

        4,

        'Share' ,

        5,

        'S/Row Excl.' ,

        6,

        'Exclusive' ,

        request,

        LTRIM(TO_CHAR(m.request, '990' ))) request,

     m.id1,

     m.id2

  FROM v$session sn, v$lock m

  WHERE (sn.SID = m.SID AND m.request != 0) --存在锁请求，即被阻塞

   OR (sn.SID = m.SID --不存在锁请求，但是锁定的对象被其他会话请求锁定

     AND m.request = 0 AND lmode != 4 AND

     (id1, id2) IN ( SELECT s.id1, s.id2

              FROM v$lock s

             WHERE request != 0

              AND s.id1 = m.id1

              AND s.id2 = m.id2))

  ORDER BY id1, id2, m.request;