Expert T-SQL Window Functions in SQL Server

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  • Engels
  • Paperback
  • 9781484211045
  • 21 maart 2015
  • 152 pagina's
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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.

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Inhoud

Taal
en
Bindwijze
Paperback
Oorspronkelijke releasedatum
21 maart 2015
Aantal pagina's
152
Illustraties
Nee

Betrokkenen

Hoofdauteur
Clayton Groom
Tweede Auteur
Kathi Kellenberger
Hoofduitgeverij
Apress

Overige kenmerken

Editie
1
Extra groot lettertype
Nee
Product breedte
159 mm
Product hoogte
12 mm
Product lengte
241 mm
Studieboek
Ja
Verpakking breedte
157 mm
Verpakking hoogte
13 mm
Verpakking lengte
235 mm
Verpakkingsgewicht
247 g

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EAN
9781484211045

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