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Oracle锁表查询和解锁方法
2022-06-26 11:52:00 【全栈程序员站长】
大家好,又见面了,我是你们的朋友全栈君。
我们这里一般用的PL/SQL,总是无意间把表锁住,所以我今天就整理了一下简单的解锁和查询锁表的方法;
一、首先PL/SQL要以管理员的账号(system/admin等)登录,管理员的账号和密码根据个人设置而来,连接为一般选择Normal,也可选择SYSDBA;
二、相关SQL语句:
--以下几个为相关表
SELECT*FROMv$lock;
SELECT*FROMv$sqlarea;
SELECT*FROMv$session;
SELECT*FROMv$process;
SELECT*FROMv$locked_object;
SELECT*FROMall_objects;
SELECT*FROMv$session_wait;–查看被锁表信息
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;–杀掉锁表进程
alter system kill session '68,51';--分别为SID和SERIAL#号–查看数据库引起锁表的SQL语句
SELECT A.USERNAME,
A.MACHINE,
A.PROGRAM,
A.SID,
A.SERIAL#,
A.STATUS,
C.PIECE,
C.SQL_TEXT
FROM V$SESSION A, V$SQLTEXT C
WHERE A.SID IN (SELECT DISTINCT T2.SID
FROM V$LOCKED_OBJECT T1, V$SESSION T2
WHERE T1.SESSION_ID = T2.SID)
AND A.SQL_ADDRESS = C.ADDRESS(+)
ORDER BY C.PIECE;发布者:全栈程序员栈长,转载请注明出处:https://javaforall.cn/133999.html原文链接:https://javaforall.cn
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