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Benjamin Nevarez - SQL Server Query Tuning and Optimization: Optimize Microsoft SQL Server 2022 queries and applications

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Benjamin Nevarez SQL Server Query Tuning and Optimization: Optimize Microsoft SQL Server 2022 queries and applications
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Get well-versed with ready-to-use techniques for creating high-performance queries and applications

Key Features
  • Speed up queries and dramatically improve application performance by both understanding query engine internals and practical query optimization
  • Understand how the query optimizer works
  • Learn about intelligent query processing and what is new in SQL Server 2022
Book Description

SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications.

This book starts by describing the inner workings of the query optimizer, and will enable you to use this knowledge to write better queries and provide the query engine with all the information it needs to produce efficient execution plans. As you progress, youll get practical query optimization tips for troubleshooting underperforming queries. The book will also guide you through intelligent query processing and what is new in SQL Server 2022. Query performance topics such as the Query Store, In-Memory OLTP and columnstore indexes are covered as well.

By the end of this book, youll be able to get the best possible performance for your queries and applications.

What you will learn
  • Troubleshoot queries using methods including extended events, SQL Trace, and dynamic management views
  • Understand how the execution engine and query operators work
  • Speed up queries and improve app performance by creating the right indexes
  • Detect and fix cardinality estimation errors by examining query optimizer statistics
  • Monitor and promote both plan caching and plan reuse to improve app performance
  • Troubleshoot and improve query performance by using the Query Store
  • Improve the performance of data warehouse queries by using columnstore indexes
  • Handle query processor limitations with hints and other methods
Who this book is for

This book is for SQL Server developers who are struggling with slow query execution, database administrators who are tasked with troubleshooting slow application performance, and database architects who design SQL Server databases in support of line-of-business and data warehousing applications.

Table of Contents
  1. An Introduction to Query Tuning and Optimization
  2. Troubleshooting Queries
  3. The Query Optimizer
  4. The Execution Engine
  5. Working with Indexes
  6. Understanding Statistics
  7. In-Memory OLTP
  8. Understanding Plan Caching
  9. The Query Store
  10. Intelligent Query Processing
  11. An Introduction to Data Warehouses
  12. Understanding Query Hints

Benjamin Nevarez: author's other books


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SQL Server Query Tuning and Optimization

Optimize Microsoft SQL Server 2022 queries and applications

Benjamin Nevarez

BIRMINGHAMMUMBAI SQL Server Query Tuning and Optimization Copyright 2022 Packt - photo 2

BIRMINGHAMMUMBAI

SQL Server Query Tuning and Optimization

Copyright 2022 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

Publishing Product Manager: Apeksha Shetty

Content Development Editor: Joseph Sunil

Technical Editor: Rahul Limbachiya

Copy Editor: Safis Editing

Project Coordinator: Farheen Fathima

Proofreader: Safis Editing

Indexer: Rekha Nair

Production Designer: Joshua Misquitta

Marketing Coordinator: Nivedita Singh

First published: Aug 2022

Production reference: 1210722

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham

B3 2PB, UK.

ISBN 978-1-80324-262-0

This book is dedicated to my family, my wife Rocio, and my three boys, Diego, Benjamin and David.

Contributors
About the author

Benjamin Nevarez is a database professional based in Los Angeles, California who specializes in SQL Server query tuning and optimization. He is the author of several books including SQL Server Query Tuning & Optimization, High Performance SQL Server, SQL Server 2017 on Linux, and Inside the SQL Server Query Optimizer and has also coauthored other books such as SQL Server 2012 Internals. Benjamin has also been a speaker at many SQL Server conferences around the world. His blog can be found at

About the reviewers

Mark Broadbent is a Microsoft Data Platform MVP and Microsoft Certified Master in SQL Server with over 30 years of IT experience working with data. He is an expert in transaction processing and concurrency control, a lover of Linux, development, Cloud, and Retro computing. In between annoying his long-suffering wife Lorraine and being beaten at video games by his children Lucy and Max, he can be found lurking on Twitter as @retracement.

Brandon Leach is a senior member of the DB Engineering team at Citadel and a recipient of multiple Microsoft Data Platform MVP awards between 2016 and 2022. He puts a high focus on performance tuning and automation at scale. He is also a frequent speaker at events like conferences and user groups.

Id like to thank first and foremost my wonderful wife Anastasia and our two kids Evan and Aiden for all their support. Id also like to thank Stacia Varga and Thomas Grohser for not only being wonderful friends but also mentors.

Ajmer Dhariwal is a SQL Server consultant with more than two decades of experience in working for organizations ranging from small start-ups to global software vendors in industries ranging from banking to digital remarketing. Over this time, he has been involved with tuning everything from critical trading systems to clickstream processing applications. Based in St Albans, UK, when not technically reviewing books, he can be found spending his time reading and going for countryside walks.

Artur Wysoczanski works as a senior SQL DBA at Trainline in London, UK. He has spent the last 7 years of his career spanning over 20 years in IT specializing in SQL Server performance tuning and troubleshooting. On a daily basis, he works closely with development and operational teams to make sure that new and existing applications get the best possible database performance. His experience and good analytical skills allow him to help teams troubleshoot and understand problems arising on the companys SQL server estate. He is also well skilled in other database technologies, such as Oracle, PostgreSQL, MySQL, and cloud-native technologies such as AWS Aurora MySQL and Aurora PostgreSQL, DynamoDB, and Amazon Keyspaces. He is a fan of the utilization of new cloud technologies in modern organizations.

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