T-SQL Window Functions 2ed

For data analysis and beyond

By: Itzik Ben-Gan

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Paperback | 9 December 2019 | Edition Number 2

At a Glance

Paperback
354 Pages

Dimensions(cm)
23.0 x 18.5 x 2.0

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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. Youâll find a detailed section on optimization, plus an extensive collection of business solutions â" including novel techniques available in no other book.

Microsoft MVP Itzik Ben-Gan shows how to:

â¢ Use window functions to improve queries you previously built with predicates

â¢ Master essential SQL windowing concepts, and efficiently design window functions

â¢ Effectively utilize partitioning, ordering, and framing

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

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

â¢ Preview advanced Row Pattern Recognition (RPR) data analysis techniques

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

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

About This Book

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

â¢ 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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