eBooks-it.org Logo
eBooks-IT.org Inner Image

Expert T-SQL Window Functions in SQL Server

Expert T-SQL Window Functions in SQL Server Image

Book Details:

Series: Apress , Expert
Author:Kathi Kellenberger
Published:Mar 31 2015
Posted:Jun 02 2015
Book format:PDF
Book size:6.45 MB

Book Description:

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.

Download Link:

Related Books:

T-SQL Programming

Inside Microsoft SQL Server 2005
T-SQL Programming Image
Get a detailed look at the internal architecture of T-SQL with this comprehensive programming reference. Database developers and administrators get best practices, expert techniques, and code samples to master the intricacies of the programming languagesolving complex problems with real-world solutions. Discover how to:Understand when to apply set-based programming techniques Design and implement date and time-related XML and CLR datatypes Use temporary objects, including temporary tables, table variables, and table expressions Work with T-SQL and CLR user-defined functions, stored procedures, and triggers Support user input-based queries and variable data with dynamic execution Work with transactions and new exception handling constructs Apply a con...

What's New in SQL Server 2012

What's New in SQL Server 2012 Image
Unleash the new features of SQL Server 2012 Overview Upgrade your skills to the latest version of SQL Server Discover the new dimensional model in Analysis Services Utilize data alerts and render reports to the latest versions of Excel and Word Build packages to leverage the new features in the Integration Services environment Plan, load and simulate real-world database activity using Distributed Replay In Detail Microsoft SQL Server has been part of the enterprise database landscape since SQL Server 7 arrived in 1998 and has evolved into the relational and BI platform of choice by businesses around the globe. The performance and full feature set of SQL Server has been widely recognized by the business community and it is viewed as a powerful weapo...

Practical SQL Queries

For Microsoft SQL Server 2008 R2
Practical SQL Queries Image
400+ ready-to-use, powerful SQL queries Learn powerful techniques for surfacing and delivering actionable business intelligence using SQL. Practical SQL Queries for Microsoft SQL Server 2008 R2 contains more than 400 downloadable SQL queries you can use to extract meaningful insights from large amounts of data. The application, syntax, and results of each query are described in detail. The book emphasizes SQL for use in SSMS, but the queries also apply to SSRS, WinForms, WebForms, and many other applications. Enter, maintain, and retrieve database data Search records using the Where clause Sort SQL query results with the Order By clause Create tables and perform joins on tables Perform set operations using Union, Intersect, and Except Group data an...

2007 - 2021 © eBooks-IT.org