November 2009
Intermediate to advanced
848 pages
30h 4m
English
book
SQL Server MVP Deep Dives
by Adam Machanic, Greg Low, Kimberly Tripp, Paul S. Randal, Kalen Delaney, Paul Nielsen
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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.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.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.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.
Chapter 44. Does the order of columns in an index matter?
Joe Webb
A single column index is straightforward. You may have heard it compared to the index in the back of a technical book. To find information in the book, say you want to learn more about how DBCC INPUTBUFFER is used, you look up DBCC INPUTBUFFER in the index. The index doesn’t contain the information on DBCC INPUTBUFFER; it has a pointer to the page where the command is described. You turn to that page and read about it. This is a good analogy for a single column, nonclustered index.
In Microsoft SQL Server, you can also create an index that contains more than one column. This is known as a composite index. A good analogy for a composite index is the telephone book.
Understanding ...
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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.