T-SQL Window Functions : Microsoft Press : 9780135861448 : 0135861446 : 02 Dec 2019 : 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 eff