oracle用plsql查询死锁
1、 点击plsql 工具（tool），点击会话（session） 2、点击锁，可以看到锁的session ...
原文：Oracle查询死锁
select sample time,session id,sql id,event,sql plan hash value,blocking session from dba hist active sess history where to char sample time, yyyy mm dd hh :mi between : and : and EVENT enq: TX row loc ...
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