SQL Server 2017 Query Performance Tuning: Troubleshoot and Optimize Query Performance

© Grant Fritchey 2018

Grant FritcheySQL Server 2017 Query Performance Tuninghttps://doi.org/10.1007/978-1-4842-3888-2_20

20. Reduce Query Resource Use

Grant Fritchey¹ 

(1)

Grafton, Massachusetts, USA

 

In the previous chapter you focused on writing queries in such a way that they appropriately used indexes and statistics. In this chapter, you’ll make sure you’re writing a queries in such a way that they don’t use your resources in inappropriate ways. There are approaches to writing queries that avoid using memory, CPU, and I/O, as well as ways to write the queries that use more of these resources than you really should. I’ll go over a number of mechanisms to ensure your resources are used optimally by the queries under your control.

In this chapter, ...