oracle锁表sql查询及kill

Oracle数据库的锁表功能主要用于在维护、迁移或备份数据库时锁定表，以防止数据被修改

steps

--查询锁表语句
select sess.sid, 
    sess.serial#, 
    lo.oracle_username, 
    lo.os_user_name, 
    ao.object_name, 
    lo.locked_mode 
    from v$locked_object lo, 
    dba_objects ao, 
    v$session sess 
where ao.object_id = lo.object_id and lo.session_id = sess.sid; 

--查询锁表进程sql
select * from v$session t1, v$locked_object t2 where t1.sid = t2.SESSION_ID; 

--kill锁表会话
alter system kill session '274,2865';  ---sid/seria#
copy