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You're reading from Learn T-SQL Querying A guide to developing efficient and elegant T-SQL code

Product type Paperback

Published in May 2019

Publisher Packt

ISBN-13 9781789348811

Length 484 pages

Edition 1st Edition

Languages

SQL

Tools

T-SQL

Concepts

Database Administration

Authors (2):

Pedro Lopes

Pam Lahoud

View More author details

Table of Contents (18) Chapters

Preface

1. Section 1: Query Processing Fundamentals FREE CHAPTER

2. Anatomy of a Query

3. Understanding Query Processing

4. Mechanics of the Query Optimizer

5. Section 2: Dos and Donts of T-SQL

6. Exploring Query Execution Plans

7. Writing Elegant T-SQL Queries

8. Easily-Identified T-SQL Anti-Patterns

9. Discovering T-SQL Anti-Patterns in Depth

10. Section 3: Assemble Your Query Troubleshooting Toolbox

11. Building Diagnostic Queries Using DMVs and DMFs

12. Building XEvent Profiler Traces

13. Comparative Analysis of Query Plans

14. Tracking Performance History with Query Store

15. Troubleshooting Live Queries

16. Managing Optimizer Changes with the Query Tuning Assistant

17. Other Books You May Enjoy

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Section 1: Query Processing Fundamentals

To understand how to write solid, performant T-SQL, users should know how SQL Server runs T-SQL syntax to deliver the intended result sets in a scalable fashion. This section introduces the reader to concepts that are used throughout the remaining sections of this book to explain most patterns and anti-patterns, as well as mitigation strategies.

The following chapters are included in this section:

Chapter 1, Anatomy of a Query
Chapter 2, Understanding Query Processing
Chapter 3, Mechanics of the Query Optimizer

You have been reading a chapter from

Learn T-SQL Querying

Published in: May 2019

Publisher: Packt

ISBN-13: 9781789348811

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Authors (2)

Pedro Lopes

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.

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Lahoud

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.

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