Expert T-SQL Window Functions in SQL Server by Kathi Kellenberger PDF Download

Download Expert T-SQL Window Functions in SQL Server by Kathi Kellenberger PDF eBook free. The “Expert T-SQL Window Functions in SQL Server 1st Edition” provides a unique and valuable framework for Window functions in T-SQL (SQL Server).

Expert T-SQL Window Functions in SQL Server by Kathi Kellenberger PDF Book Review

“Expert T-SQL Window Functions in SQL Server 1st Edition” is a clear and concise explanation of entry-level window functions all the way up to advanced statistical functions.  Kathi Kellenberger and Clayton Groom are the authors of this book. Window functions provide a way to generate multiple features (aka variables, attributes) for use in data mining and machine learning. In this review, 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, 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.

Expert T-SQL Window Functions in SQL Server by Kathi KellenbergerJust 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.  A very detailed entry into SQL windowing functions. A great entry-level book with expert-level examples.

Details About Expert T-SQL Window Functions in SQL Server by Kathi Kellenberger PDF

  • Name: Expert T-SQL Window Functions in SQL Server
  • Author: Kathi Kellenberger and Clayton Groom
  • ISBN: 9781484211045
  • Language: English
  • Format: PDF
  • Size: 6 MB
  • Pages: 152
  • Price: Free

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