Oracle锁表查询和解锁方法 查看执行的 sql 和执行的机器用户信息https://blog.csdn.net/qq_38819293/article/details/86526696
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;