查询锁对象
select count(*) from v$locked_object;

Oracle释放异常锁表SQL_死锁

select * from v$locked_object;

Oracle释放异常锁表SQL_oracle_02

查询被锁的表
select b.owner,b.object_name,a.session_id,a.locked_mode,a.object_id from v$locked_object a,dba_objects b where b.object_id = a.object_id;

Oracle释放异常锁表SQL_死锁_03

查询锁的session
select b.username,b.sid,b.serial#,logon_time,a.OS_USER_NAME,c.owner,c.object_name  from v$locked_object a,v$session b,dba_objects c where a.session_id = b.sid AND c.object_id = a.object_id order by b.logon_time;

Oracle释放异常锁表SQL_oracle_04

杀掉对应进程，其中710为sid,19573为serial#.

alter system kill session'710,19573';

alter system kill session'527,64771';

alter system kill session'356,47373';


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