锁表查询的代码有以下的形式:
select count(*) from v$locked_object; select * from v$locked_object;
查看哪个表被锁
select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id;
查看是哪个session引起的
select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time;
杀掉对应进程
alter system kill session'44,19512';
其中44为sid,19512为serial#.