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You administer a Microsoft SQL Server database named Orders. Users report that during peak usage periods, certain operations are taking more time than expected. Your initial analysis suggests that blocking is the cause. You need to gather more data to be able to determine which processes are being blocked and to identify the root cause. What should you do?
Correct Answer: D
Explanation/Reference: Explanation: The Lock:Deadlock event class is produced when an attempt to acquire a lock is canceled because the attempt was part of a deadlock and was chosen as the deadlock victim. Use the Lock:Deadlock event class to monitor when deadlocks occur and which objects are involved. You can use this information to determine if deadlocks are significantly affecting the performance of your application. You can then examine the application code to determine if you can make changes to minimize deadlocks. References: https://docs.microsoft.com/en-us/sql/relational-databases/event-classes/lock-deadlock-event- class