March 2009
Intermediate to advanced
832 pages
23h 49m
English
book
Inside Microsoft® SQL Server® 2008: T-SQL Querying
by Lubor Kollar Itzik Ben-Gan Dejan Sarka, and Steve Kass
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Analytical Ranking Functions
SQL Server supports four analytical ranking functions: ROW_NUMBER, RANK, DENSE_RANK, and NTILE. These functions provide a simple and highly efficient way to produce ranking calculations. I will also demonstrate alternative solutions to producing ranking values without the built-in ranking functions. Of course, you can feel free to skip the coverage of the alternative solutions, but I’d recommend spending the time to learn those for several reasons. A lot of existing legacy code out there in production systems makes use of those techniques. Also, some of those techniques are quite convoluted, and some have poor performance, so by being familiar with them you gain a greater appreciation for the simplicity and efficiency ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.