Oracle数据库表查看锁以及解锁SQL#
//查询被锁的表

select A.sid, b.serial#,

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,

c.object_name,

b.username,

b.osuser,

decode(a.lmode,   0, 'None',

            1, 'Null',

            2, 'Row-S',

            3, 'Row-X',

            4, 'Share',

            5, 'S/Row-X',

            6, 'Exclusive', 'Unknown') LockMode,

B.MACHINE,D.SPID

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



//用于解锁

alter system kill session'SID,SERIAL#'