March 2009
Intermediate to advanced
784 pages
30h 30m
English
book
Microsoft® SQL Server® 2008 Internals
by Paul Randal Kalen Delaney Kimberly Tripp, and Conor Cunningham
Content preview from Microsoft® SQL Server® 2008 InternalsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Heap Modification Internals
We’ve seen how SQL Server stores data in a heap. Now we’ll look at what SQL Server actually does internally when your heap data is modified. Modifying data in an index, which includes a table with a clustered index, is a completely separate topic and will be covered in detail in Chapter 6. As a rule of thumb, you should always have a clustered index on a table. There are some cases in which you might be better off with a heap, such as when the most important factor is the speed of INSERT operations, but until you do thorough testing to establish that you have one of these cases, it’s better to have a clustered index than to have no organization to your data at all. In Chapter 6, you’ll see the benefits and tradeoffs ...
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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.
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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.