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

· Packt Publishing Ltd
5,0
O recenzie
Carte electronică
446
Pagini

Despre această carte electronică

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, you'll 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, you'll 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.

Evaluări și recenzii

5,0
O recenzie

Despre autor

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 “High Performance SQL Server'', “SQL Server 2017 on Linux”, “SQL Server 2014 Query Tuning & Optimization” and “Inside the SQL Server Query Optimizer” and has also co-authored other books such as “SQL Server 2012 Internals”. Benjamin has also been a speaker at many SQL Server conferences around the world

Evaluează cartea electronică

Spune-ne ce crezi.

Informații despre lectură

Smartphone-uri și tablete
Instalează aplicația Cărți Google Play pentru Android și iPad/iPhone. Se sincronizează automat cu contul tău și poți să citești online sau offline de oriunde te afli.
Laptopuri și computere
Poți să asculți cărțile audio achiziționate pe Google Play folosind browserul web al computerului.
Dispozitive eReader și alte dispozitive
Ca să citești pe dispozitive pentru citit cărți electronice, cum ar fi eReaderul Kobo, trebuie să descarci un fișier și să îl transferi pe dispozitiv. Urmează instrucțiunile detaliate din Centrul de ajutor pentru a transfera fișiere pe dispozitivele eReader compatibile.