Query Store keeps rolled-up aggregates of queries and statistics for workloads that are run against your SQL Server database when it is enabled. This data can be used to help you establish a baseline for performance, troubleshoot performance issues, and stabilize performance on your database. In this chapter, we go over techniques that were used before Query Store was released, including Profiler/server-side traces, Extended Events, DMVs (Dynamic Management Views), plan guides, and sp_whoisactive. Then, we will look ...
© Tracy Boggiano and Grant Fritchey 2019
T. Boggiano, G. FritcheyQuery Store for SQL Server 2019https://doi.org/10.1007/978-1-4842-5004-4_11. What Is Query Store?
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