oracle资源被锁，如何解锁

查询得到当前数据库中锁，以及解锁：

查锁
SELECT /*+ rule */ s.username,
decode(l.type,'TM','TABLE LOCK',
'TX','ROW LOCK',
NULL) LOCK_LEVEL,
o.owner,o.object_name,o.object_type,
s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuser
FROM v$session s,v$lock l,dba_objects o
WHERE l.sid = s.sid
AND l.id1 = o.object_id(+)
AND s.username is NOT NULL;

解锁
$sqlplus /"as sysdba"

SQL>alter system kill session 'sid,serial';
如果解不了。直接倒os下kill进程kill －9 spid