Oracle 表锁定，解锁

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查询哪些表被锁定
select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id;

查询由哪些session引起；
select b.username,b.sid,b.serial#,logon_time from  v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time;

杀掉相关进程；
alter system kill session '507,96'
507（SID），96（SERIAL）