November 2012
Intermediate to advanced
576 pages
17h 2m
English
book
Professional SQL Server 2012 Internals and Troubleshooting
by Christian Bolton, James Rowland-Jones, Glenn Berry, Justin Langford, Gavin Payne, Amit Banerjee
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Chapter 1
SQL Server Architecture
WHAT’S IN THIS CHAPTER?
- Understanding database transactions and the ACID properties
- Architectural components used to fulfill a read request
- Architectural components used to fulfill an update request
- Database recovery and the transaction log
- Dirty pages, checkpoints, and the lazy writer
- Where the SQLOS fits in and why it’s needed
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
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INTRODUCTION
A basic grasp of SQL Server’s database engine architecture is fundamental to intelligently approach troubleshooting a problem, but selecting the important bits to learn about can be challenging, as SQL Server is such a complex piece of software. This chapter distills the core architecture of SQL Server, putting the most important components into the context of executing a simple query to help you understand the fundamentals of the core engine.
You will learn how SQL Server deals with your network connection, unravels what you’re asking it to do, decides how it will execute your request, and finally how data is retrieved and modified on your behalf.
You will also discover when the transaction log is used and how it’s affected by the configured recovery model; what happens when a checkpoint occurs and how you can influence the frequency; ...
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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.