October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 Unleashed
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Using SQL Cache Dependencies
One of the most powerful features supported by ASP.NET Framework is SQL cache dependencies. This feature enables you to reload cached database data automatically whenever the data in the underlying databases changes.
There is a trade-off when you use either an absolute or sliding cache expiration policy. The trade-off is between performance and stale data. For example, if you cache data in memory for 20 seconds, the data displayed on your web pages might be 20 seconds out of date. In the case of most applications, displaying slightly stale data does not actually matter. For example, if you build a discussion forum, everyone can live with the fact that new posts might not appear immediately.
However, there are certain ...
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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.