Learn T-SQL Querying : A guide to developing efficient and elegant T-SQL code
Language: English
Published by Packt Publishing, 2019
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
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Seller Inventory # 9781789348811
- Title
- Learn T-SQL Querying : A guide to developing efficient and elegant T-SQL code
- Author
- Pam Lahoud
- Publisher
- Packt Publishing
- Publication year
- 2019
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 1789348811
- ISBN 13
- 9781789348811
- Item weight
- 895 grams
- Dimensions
- 235x191x27 mm
Troubleshoot query performance issues, identify anti-patterns in code, and write efficient T-SQL queries
Key Features
- Discover T-SQL functionalities and services that help you interact with relational databases
- Understand the roles, tasks and responsibilities of a T-SQL developer
- Explore solutions for carrying out database querying tasks, database administration, and troubleshooting
Book Description
Transact-SQL (T-SQL) is Microsoft's proprietary extension to the SQL language that is used with Microsoft SQL Server and Azure SQL Database. This book will be a useful guide to learning the art of writing efficient T-SQL code in modern SQL Server versions, as well as the Azure SQL Database.
The book will get you started with query processing fundamentals to help you write powerful, performant T-SQL queries. You will then focus on query execution plans and learn how to leverage them for troubleshooting. In the later chapters, you will learn how to identify various T-SQL patterns and anti-patterns. This will help you analyze execution plans to gain insights into current performance, and determine whether or not a query is scalable. You will also learn to build diagnostic queries using dynamic management views (DMVs) and dynamic management functions (DMFs) to address various challenges in T-SQL execution. Next, you will study how to leverage the built-in tools of SQL Server to shorten the time taken to address query performance and scalability issues. In the concluding chapters, the book will guide you through implementing various features, such as Extended Events, Query Store, and Query Tuning Assistant using hands-on examples.
By the end of this book, you will have the skills to determine query performance bottlenecks, avoid pitfalls, and discover the anti-patterns in use.
Foreword by Conor Cunningham, Partner Architect SQL Server and Azure SQL Microsoft
What you will learn
- Use Query Store to understand and easily change query performance
- Recognize and eliminate bottlenecks that lead to slow performance
- Deploy quick fixes and long-term solutions to improve query performance
- Implement best practices to minimize performance risk using T-SQL
- Achieve optimal performance by ensuring careful query and index design
- Use the latest performance optimization features in SQL Server 2017 and SQL Server 2019
- Protect query performance during upgrades to newer versions of SQL Server
Who this book is for
This book is for database administrators, database developers, data analysts, data scientists, and T-SQL practitioners who want to get started with writing T-SQL code and troubleshooting query performance issues, through the help of practical examples. Previous knowledge of T-SQL querying is not required to get started on this book.
Table of Contents
- Anatomy of a Query
- Understanding Query Processing
- Mechanics of the Query Optimizer
- Exploring Query Execution Plans
- Writing Elegant T-SQL Query
- Easily Identified T-SQL Anti-Patterns
- Discovering T-SQL Anti-Patterns in Depth
- Building Diagnostic Queries Using DMVs and DMFs
- Building xEvent Profiler Traces
- Comparative Analysis of Query Plans
- Tracking Query Performance History with the Query Store
- Troubleshooting Live Queries
- Managing Optimizer Changes With the Query Tuning Assistant
"Synopsis" may belong to another edition of this title.
About the Author
Pedro Lopes is a Program Manager in the Database Systems group, based in Redmond, WA, USA. He has over 19 years of industry experience and has been with Microsoft for 9 years. He is currently responsible for program management of Database Engine features for in-market and vNext versions of SQL Server, with a special focus on the Relational Engine. He has extensive experience with query performance troubleshooting and is a regular speaker at numerous conferences such as SQLBits, PASS Summit, SQLIntersection, Microsoft Ignite, and Microsoft Build. He blogs about SQL on the SQL Server Team blog. He has authored several tools in the Tiger toolbox on GitHub: AdaptiveIndexDefrag maintenance solution, BPCheck, and usp_WhatsUp.
Pam Lahoud is a Program Manager in the Database Systems group, based in Redmond, WA, USA. She has been with Microsoft for 13 years and is currently responsible for program management of Database Engine features for in-market and vNext versions of SQL Server, with a special focus on the Storage Engine area. She is passionate about SQL Server performance and has focused on performance tuning and optimization, particularly from the developer's perspective, throughout her career. She is a SQL Server 2008 Microsoft Certified Master (MCM) with over 20 years of experience working with SQL Server.
"About the title" may belong to another edition of this title.
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