Learn T-SQL Querying - Second Edition
Learn T-SQL Querying - Second Edition
A guide to developing efficient and elegant T-SQL code
About the Book
Data professionals seeking to excel in Transact-SQL for Microsoft SQL Server and Azure SQL Database often lack comprehensive resources. Learn T-SQL Querying second edition focuses on indexing queries and crafting elegant T-SQL code enabling data professionals gain mastery in modern SQL Server versions (2022) and Azure SQL Database. The book covers new topics like logical statement processing flow, data access using indexes, and best practices for tuning T-SQL queries.
Starting with query processing fundamentals, the book lays a foundation for writing performant T-SQL queries. You’ll explore the mechanics of the Query Optimizer and Query Execution Plans, learning to analyze execution plans for insights into current performance and scalability. Using dynamic management views (DMVs) and dynamic management functions (DMFs), you’ll build diagnostic queries. The book covers indexing and delves into SQL Server’s built-in tools to expedite resolution of T-SQL query performance and scalability issues. Hands-on examples will guide you to avoid UDF pitfalls and understand features like predicate SARGability, Query Store, and Query Tuning Assistant.
By the end of this book, you‘ll have developed the ability to identify query performance bottlenecks, recognize anti-patterns, and avoid pitfalls
About the Author
Table of Contents
- Understanding Query Processing
- Mechanics of the Query Optimizer
- Exploring Query Execution Plans
- Indexing for T-SQL Performance
- Writing Elegant T-SQL Queries
- Discovering T-SQL Anti-patterns in Depth
- Building diagnostic queries using DMVs and DMFs
- Building XEvent profiler traces
- Comparative analysis of Query Plans
- Tracking performance history with Query Store
- Troubleshooting Live Queries
- Managing optimizer changes with the Query Tuning Assistant
About the Publisher
This book is published on Leanpub by Packt Publishing Ltd
Packt Publishing are an established global technical learning content provider, founded in Birmingham, UK with over twenty years’ experience in delivering premium rich content from ground-breaking authors on a wide range of emerging and popular technologies. Our titles have global relevance our multimedia portfolio includes over 9,000 books, e-books, audiobooks and video courses. www.packtpub.com
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