Название: T-SQL Window Functions: For data analysis and beyond (2nd Edition)
Автор: Itzik Ben-Gan
Издательство: Microsoft Press
Год: 2019
Страниц: 352
Язык: английский
Формат: epub
Размер: 44.2 MB

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.