Thursday, April 8, 2010

Dynamic management view

You are managing a database that contains a table with several indexes. You notice that data modification performance has degraded over time. You suspect that some of the indexes are unused. You need to identify which indexes were not used by any queries since the last time SQL Server 2005 started. Which dynamic management view should you use?

A. sys.dm_fts_index_population
B. sys.dm_exec_query_stats
C. sys.dm_db_index_usage_stats
D. sys.dm_db_index_physical_stats

Answer: [C]
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