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T-SQL Window Functions: For data analysis and beyond, 2nd Edition

T-SQL Window Functions: For data analysis and beyond, 2nd Edition

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Description

  • Copyright 2020
  • Edition: 2nd
  • eBook (Watermarked)
  • ISBN-10: 0-13-586154-3
  • ISBN-13: 978-0-13-586154-7

Use window functions to write simpler, better, more efficient T-SQL queries

 Most T-SQL developers recognize the value of window functions for data analysis calculations. But they can do far more, and recent optimizations make them even more powerful. In T-SQL Window Functions, renowned T-SQL expert Itzik Ben-Gan introduces breakthrough techniques for using them to handle many common T-SQL querying tasks with unprecedented elegance and power. Using extensive code examples, he guides you through window aggregate, ranking, distribution, offset, and ordered set functions. You’ll find a detailed section on optimization, plus an extensive collection of business solutions — including novel techniques available in no other book.

Microsoft MVP Itzik Ben-Gan shows how to:

• Use window functions to improve queries you previously built with predicates

• Master essential SQL windowing concepts, and efficiently design window functions

• Effectively utilize partitioning, ordering, and framing

• Gain practical in-depth insight into window aggregate, ranking, offset, and statistical functions

• Understand how the SQL standard supports ordered set functions, and find working solutions for functions not yet available in the language

• Preview advanced Row Pattern Recognition (RPR) data analysis techniques

• Optimize window functions in SQL Server and Azure SQL Database, making the most of indexing, parallelism, and more

• Discover a full library of window function solutions for common business problems

About This Book

• For developers, DBAs, data analysts, data scientists, BI professionals, and power users familiar with T-SQL queries

• Addresses any edition of the SQL Server 2019 database engine or later, as well as Azure SQL Database

Get all code samples at:

MicrosoftPressStore.com/TSQLWindowFunctions/downloads 

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Table of Contents

Chapter 01: SQL Windowing

Chapter 02: A Detailed Look at Window Functions

Chapter 03: Ordered Set Functions

Chapter 04: Row Pattern Recognition in SQL

Chapter 05: Optimization of Window Functions

Chapter 06: T-SQL Solutions using Window Functions

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