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What is a deadlock
Posted By: rakesh On:5/31/2011 3:31:17 AM in:Interview Questions Category:Oracle Hits:1884 
Two processes waiting to update the rows of a table, which are locked by other processes then deadlock arises........
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Two processes waiting to update the rows of a table, which are locked by other processes then deadlock arises.

In a database environment this will often happen because of not issuing the proper row lock commands. Poor design of front-end application may cause this situation and the performance of server will reduce drastically.

These locks will be released automatically when a commit/rollback operation performed or any one of this processes being killed externally.

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