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#';