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You need to identify which long running transactions use an index. Which dynamic management view should you use?
Correct Answer: A
Explanation/Reference: Explanation: sys.dm_exec_query_optimizer_info teturns detailed statistics about the operation of the SQL Server query optimizer. You can use this view when tuning a workload to identify query optimization problems or improvements. For example, you can use the total number of optimizations, the elapsed time value, and the final cost value to compare the query optimizations of the current workload and any changes observed during the tuning process. References: https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management- views/sys-dm-exec-query-optimizer-info-transact-sql