mysql数据库锁表如何解锁

Posted 2023-04-30

参考技术A 当前运行的所有事务
select * from information_schema.innodb_trx
当前出现的锁
select * from information_schema.innodb_locks
锁等待的对应关系
select * from information_schema.innodb_lock_waits
通过找到线程id号，进行kill

通过 select * from information_schema.innodb_trx 查询 trx_mysql_thread_id然后执行 kill 线程ID

Oracle 锁表查询 和解锁表

参考技术A 查询锁表

select object_name, machine, s.sid, s.serial#

  from v$locked_object l, dba_objects o, v$session s

where l.object_id　 = 　o.object_id

  and l.session_id = s.sid;

解表

  ALTER system kill session 'sid, serial#';

  ALTER system kill session '256, 34034';