November 2006
Intermediate to advanced
1232 pages
34h 10m
English
book
Microsoft® SQL Server™ 2005 Administrator's Companion
by Edward Whalen, Marcilina Garcia, Burzin Patel, Stacia Misner, Victor Isakov
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SQL Server I/O Overview
SQL Server is especially sensitive to I/O latencies because of the concurrency of transactions within the SQL Server engine. Under normal conditions, tens or hundreds of applications are running against a SQL Server database. To support this concurrency, SQL Server has a complex system of row, page, extent, and table locks, as you will see throughout this book. When a piece of data or a SQL Server resource is locked, other processes must wait for that data or resource to be unlocked.
If I/O operations take excessive amounts of time to complete, these resources will be held for a longer-than-normal period, further delaying other threads processing in the system. In addition, this could lead to a greater chance of deadlocks. ...
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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.