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Expert T-SQL Window Functions in SQL Server takes you from any level of knowledge of windowing functions and turns you into an expert who can use these powerful functions to solve many T-SQL queries. Replace slow cursors and self-joins with queries that are easy to write and fantastically better performing, all through the magic of window functions. First introduced in SQL Server 2005, window functions came into full blossom with SQL Server 2012. They truly are one of the most notable developments in SQL in a decade, and every developer and DBA can benefit from their expressive power in solving day-to-day business problems. Begin using windowing functions like ROW_NUMBER and LAG, and you will discover more ways to use them every day. You will approach SQL Server queries in a different way, thinking about sets of data instead of individual rows. Your queries will run faster, they will be easier to write, and they will be easier to deconstruct and maintain and enhance in the future. Just knowing and using these functions is not enough. You also need to understand how to tune the queries. Expert T-SQL Window Functions in SQL Server explains clearly how to get the best performance. The book also covers the rare cases when older techniques are the best bet. Stop using cursors and self-joins to solve complicated queries. Become a T-SQL expert by mastering windowing functions.Teaches you how to use all the window functions introduced in 2005 and 2012.Provides real-world examples that you can experiment with in your own database. Explains how to get the best performance when using windowing functions.

Robert Plant is one of the few genuine living rock legends. Frontman of Led Zeppelin, musical innovator and seller of millions of records, Plant has had a profound influence on music for over four decades. But the full account of his life has barely been told ...until now. Robert Plant: A Life is the first complete and comprehensive telling of Plant's story. From his earliest performances in folk clubs in the early 1960s, to the world's biggest stages as Led Zeppelin's self-styled 'Golden God', and on to his emergence as an emboldened solo star. The sheer scale of Zeppelin's success is extraordinary: in the US alone they sold 70 million records, a figure surpassed only by the Expert T-SQL Window Functions in SQL Server pdf Beatles. But their success was marred by tragedy. These pages contain first-hand accounts of Plant's greatest highs and deepest lows: the tragic deaths of his son Karac and his friend, Zeppelin drummer John Bonham. Told in vivid detail, this is the definitive story of a man of great talent, remarkable fortitude and extraordinary conviction.

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Author: Kathi Kellenberger,Clayton Groom
Number of Pages: 152 pages
Published Date: 28 May 2015
Publisher: aPress
Publication Country: Berkley, United States
Language: English
ISBN: 9781484211045
Download Link: Click Here
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