Processing math: 100%

oracle查看被锁的表和解锁

--以下几个为相关表
SELECT * FROM vlock;SELECTFROMvsqlarea;
SELECT * FROM vsession;SELECTFROMvprocess ;
SELECT * FROM vlockedobject;SELECTFROMallobjects;SELECTFROMvsession_wait;

--查看被锁的表 
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;

--查看那个用户那个进程照成死锁
select b.username,b.sid,b.serial#,logon_time from vlockedobjecta,vsession b where a.session_id = b.sid order by b.logon_time;

--查看连接的进程 
SELECT sid, serial#, username, osuser FROM v$session;

--3.查出锁定表的sid, serial#,os_user_name, machine_name, terminal,锁的type,mode
SELECT s.sid, s.serial#, s.username, s.schemaname, s.osuser, s.process, s.machine,
s.terminal, s.logon_time, l.type
FROM vsessions,vlock l
WHERE s.sid = l.sid
AND s.username IS NOT NULL
ORDER BY sid;

这个语句将查找到数据库中所有的DML语句产生的锁,还可以发现,
任何DML语句其实产生了两个锁,一个是表锁,一个是行锁。

--杀掉进程 sid,serial#
alter system kill session '210,11562';   此处不能连接起来 要有空格,不然会报错的例如(alter system kill session'210,11562'; )

 

来自:https://www.cnblogs.com/XQiu/p/5212787.html

posted @   江湖萤火虫  阅读(9866)  评论(0编辑  收藏  举报
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