查看 Oracle 数据库锁和解锁的方法

 -- 查看数据库锁明细
 select a.sid, b.serial#, b.username, b.osuser, b.machine, b.program, c.object_name,d.spid,
        decode(a.type,
               'mr', 'media recovery',
               'rt','redo thread',
               'un','user name',
               'tx', 'transaction',
               'tm', 'dml',
               'ul', 'pl/sql user lock',
               'dx', 'distributed xaction',
               'cf', 'control file',
               'is', 'instance state',
               'fs', 'file set',
               'ir', 'instance recovery',
               'st', 'disk space transaction',
               'ts', 'temp segment',
               'iv', 'library cache invalida-tion',
               'ls', 'log start or switch',
               'rw', 'row wait',
               'sq', 'sequence number',
               'te', 'extend table',
               'tt', 'temp table',
               'unknown') locktype,
        decode(a.lmode,
                 0, 'none',
                 1, 'null',
                 2, 'row-s',
                 3, 'row-x',
                 4, 'share',
                 5, 's/row-x',
                 6, 'exclusive', 'unknown') lockmode
   from v$lock a, v$session b, all_objects c, v$process d
  where a.sid = b.sid
    and a.type in ('tm','tx')
    and c.object_id = a.id1
    and b.paddr = d.addr;  

 -- 杀掉进程
 -- alter system kill session 'sid,serial#';