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sys.dm_exec_query_memory_grants DMV (Dynamic Management View), described by BOL as follows : http://msdn.microsoft.com/en-IN/library/ms365393.aspx Returns information about the queries that have acquired a memory grant or that still require a memory grant to execute. Queries that do not have to wait on a memory grant will not appear in this view. This DMV helps in finding queries … Continue reading
sys.dm_exec_query_stats DMV (Dynamic Management View), described in BOL as follows : http://msdn.microsoft.com/en-us/library/ms189741.aspx Returns aggregate performance statistics for cached query plans. The view contains one row per query statement within the cached plan, and the lifetime of the rows are tied to the plan itself. When a plan is removed from the cache, the corresponding rows … Continue reading
sys.dm_exec_requests DMV (Dynamic Management View), described by BOL as follows: http://msdn.microsoft.com/en-us/library/ms177648.aspx Returns information about each request that is executing within SQL Server. sys.dm_exec_requests DMV is used to get details of currently running sessions. This DMV help us is getting details like used database, transaction isolation level, open transaction count, status, blocked session, percentage of task … Continue reading