December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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Columnstore Indexes
SQL Server 2012 introduces a new query acceleration feature based on a new type of index called a columnstore index. Columnstore indexes, combined with enhanced query processing features, can improve query performance for data warehouse applications significantly. Columnstore indexes can eliminate the need to rely on other data warehousing strategies such as prebuilt aggregates, summary tables, and indexed views.
Unlike typical row storage, which stores multiple rows per page, as you’ve seen in the previous sections of this chapter, a columnstore index stores the values for a single column in a separate set of disk pages. The advantage of columnar storage is the ability to read the values of a specific column of a table without ...
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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.