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What is a deadlock? More DBA job interview questions and answers at
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(Continued from previous question...) 193. What is a deadlock? Explain . Two processes waiting to update the rows of a table which are locked by the other process then deadlock arises. In a database environment this will often happen because of not issuing 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. (Continued on next question...)
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