T-SQL Window Functions av Itzik Ben-Gan

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<div><p><b>Use window functions to write simpler, better, more efficient T-SQL queries </b></p><p> 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.</p><p></p><p> </p><p><b>Microsoft MVP Itzik Ben-Gan shows how to: </b></p><p>¿ Use window functions to improve queri