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SQL Server Query Performance Tuning,Fourth Edition by Grant Fritchey

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CHAPTER 6

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Query Performance Metrics

A common cause of slow SQL Server performance is a heavy database application workload—the nature and quantity of the queries themselves. Thus, to analyze the cause of a system bottleneck, it is important to examine the database application workload and identify the SQL queries causing the most stress on system resources. To do this, you can use Extended Events and other Management Studio tools.

In this chapter, I cover the following topics:

  • The basics of Extended Events
  • How to analyze SQL Server workload and identify costly SQL queries using Extended Events
  • How to track query performance through dynamic management ...

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