Answers to Review Questions
- C. The sys.dm_exec_query_stats DMV returns aggregate performance metrics about the cached execution plans. The sys.dm_exec_query_plan DMV will show you only the query plans. Using SQL Server Profiler is too late because it will show you only future traced events.
- D. The SERIALABLE transaction isolation level will prevent phantom values. New products will not be able to be inserted between the first and last queries that access the [Products] table.
- B. The Database Engine Tuning Advisor was designed to make recommendations about how performance can be improved on your SQL Server 2005 instance.
- C, E. Using the Database Engine Tuning Advisor will enable you to potentially create an optimal indexing strategy. Using plan ...
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