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You run the sp_whosystem stored procedure. A process is blocked by a long-running operation. You need to identify details of the processes involved in the deadlock including the resources that are being accessed. You must able to view the deadlock chain. What should you use?
Correct Answer: B
Explanation/Reference: Explanation: SQL Server Extended Events has a highly scalable and highly configurable architecture that allows users to collect as much or as little information as is necessary to troubleshoot or identify a performance problem. Incorrect Answers: A: DBCC OPENTRAN helps to identify active transactions that may be preventing log truncation. DBCC OPENTRAN displays information about the oldest active transaction and the oldest distributed and nondistributed replicated transactions, if any, within the transaction log of the specified database. References: https://docs.microsoft.com/en-us/sql/relational-databases/extended-events/extended-events?view=sql- server-2017 https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc-opentran-transact-sql? view=sql-server-2017