CHAPTER 1
SQL Query Performance Tuning
Query performance tuning remains an important part of today’s database applications. Yes, hardware performance is constantly improving. Upgrades to SQL Server—especially to the optimizer, which helps determine how a query is executed, and the query engine, which executes the query—lead to better performance all on their own. At the same time, SQL Server instances are being put on virtual machines, either locally or in hosted environments, where the hardware behavior is not guaranteed. Databases are going to platform as a service systems such as Amazon RDS and Windows Azure SQL Database. You still have to ...
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