SQL Server 2022 Query Performance Tuning: Troubleshoot and Optimize Query Performance

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

G. FritcheySQL Server 2022 Query Performance Tuninghttps://doi.org/10.1007/978-1-4842-8891-7_14

14. Query Design Analysis

Grant Fritchey¹  

(1)

Grafton, MA, USA

 

While a healthy amount of performance is determined by your hardware, your cloud service tier, server settings, indexes, and other data structures, the single most important aspect of SQL Server performance is your queries. If your T-SQL is problematic, in many cases, none of the rest of functionality can save performance. There are a number of common coding issues, referred to as code smells, that can lead to bad performance. You may even have queries attempting to work on your data in a row-by-row ...