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You are a database developer for a company. The company has a server that has multiple physical disks. The disks are not part of a RAID array. The server hosts three Microsoft SQL Server instances. There are many SQL jobs that run during off-peak hours.

You must monitor the SQL Server instances in real time and optimize the server to maximize throughput, response time, and overall SQL performance.

You need to ensure that the performance of each instance is consistent for the same queried and query plans.

What should you do?

A. A. Create a sys.dm_os_waiting_tasks query.

B. Create a sys.dm_exec_sessions query.

C. Create a Performance Monitor Data Collector Set.

D. Create a sys.dm_os_memory_objects query.

E. Create a sp_configure -max server memory- query.

F. Create aSQL Profiler trace.

G. Create asys.dm_os_wait_stats query.

H. Create an Extended Event.

Explanation:

Advanced Viewing of Target Data from Extended Events in SQL Server

When your event session is currently active, you might want to watch the event data in real time, as it is received by the target.

Management > Extended Events > Sessions > [your-session] > Watch Live Data.

The query_post_execution_showplan extended event enables you to see the actual query plan in the SQL Server Management Studio (SSMS) UI. When the Details pane is visible, you can see a graph of the query plan on the Query Plan tab. By hovering over a node on the query plan, you can see a list of property names and their values for the node.

References: https://msdn.microsoft.com/en-us/library/mt752502.aspx