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Oracle 阻塞会话的查看与解除

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Release： 2016-06-07 16:44:49
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关于Oracle 阻塞会话的查看与解除，这里只讲操作步骤，不讲原理。

Oracle 阻塞会话的查看与解除

[日期：2014-10-12] 来源：Linux社区  作者：Linux [字体：]

关于Oracle 阻塞会话的查看与解除，，这里只讲操作步骤，不讲原理。

Session 1 更新对象单没有提交

Session 2 更新的时候由于等待session1 锁更新行的tx 锁而陷入阻塞

Session 3更新的时候由于等待session1 锁更新行的tx 锁也陷入阻塞

问题的根源可以通过以下的查询获取。

可以看出sid 100和sid 33 都在以mode6（排他模式）请求tx 锁，而陷入阻塞队列。

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