January 2020
Beginner
896 pages
23h 51m
English
Content preview from Microsoft SQL Server 2019: A Beginner's Guide, Seventh Edition, 7th Edition
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CHAPTER |
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27 |
Columnstore Indices |
In This Chapter
• Benefits of Columnstore Indices
• Internal Storage of Columnstore Indices
• Types of Columnstore Indices
• Editing Information Concerning Columnstore Indices
• Columnstore Indices: Performance
As you already know from Chapter 10, index access means that indices are used to access entire rows that fulfill a condition of the given query. This is a general approach and doesn’t depend on the number of columns being returned. In other words, the values of all columns of a particular row will be fetched, even if values of only one or two columns are needed. The reason for this is that the Database Engine and all other relational database systems store a table’s rows on data pages, which ...
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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.