October 2003
Intermediate to advanced
1072 pages
24h 21m
English
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Duties of the Snapshot and Distribution Agents
As I've mentioned, the work of snapshot replication is divided between the Snapshot Agent and the Distribution Agent. In this next section, we'll cover the work each of these carries out separately.
Snapshot Agent Tasks
The Snapshot Agent begins by connecting from the distributor to the publisher and setting a share lock on each of the tables included in a publication's articles. These locks help guarantee a consistent view of the data by preventing changes to the data until they are released. Naturally, this means that you'd normally want to run the Snapshot Agent during times when not being able to change the data in published articles isn't a problem for your users.
As it works, the Snapshot Agent ...
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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.