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Everyday SQL

Patrick Keisler is a MCTS and MCP. For over 12 years, he has been been a database administrator for a major investment bank, Wells Fargo Securities. During that time, he has gained considerable knowledge in Microsoft SQL Server by supporting hundreds of applications ranging from high-volume trading applications to massive data warehouses.

Archives: December 2013

Collecting Historical IO File Statistics

In a previous post, Collecting Historical Wait Statistics, I discussed how you can easily collect historical wait stats by using the DMV sys.dm_os_wait_stats. Well today, I'd like to cover the same concept, but this time collect historical IO file stats from the DMV, sys.dm_io_virtual_files_stats. However, I wanted…

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Posted in Everyday SQL on 17 December 2013

Collecting Historical Wait Statistics

As a DBA, I'm sure you've heard many times to always check the sys.dm_os_wait_stats DMV to help diagnose performance issues on your server. The DMV returns information about specific resources SQL Server had to wait for while processing queries. The counters in the DMV are cumulative since the last time…

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Posted in Everyday SQL on 11 December 2013