方案步骤:数据库
一、查锁session
select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logon_time;spa
二、解锁(KILL)code
--alter system kill session 'sid,serial#';
alter system kill session '151,14678'; --151是sid,14678是serial#blog
运行以上命令后,就能够解决此问题。get
操做记录:it
一、数据库表被锁;io
二、查锁class
select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logon_time;
结果:object
1 BCSA 64 40449 2016/10/9 15:38:05 2 BCSA 64 40449 2016/10/9 15:38:05 3 BCSA 64 40449 2016/10/9 15:38:05 4 BCSA 64 40449 2016/10/9 15:38:05
三、解锁
alter system kill session '64,40449';
若是仍是没法链接到数据库,此时重启库数据库是最快的解决方式