'e-Commerce' scalable database model

Posted by Ruben Trancoso on Stack Overflow See other posts from Stack Overflow or by Ruben Trancoso
Published on 2010-04-05T18:33:27Z Indexed on 2010/04/05 18:43 UTC
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scalability

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database

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web-applications

I would like to understand database scalability so I've just heard a talk about Habits of Highly Scalable Web Applications

http://techportal.ibuildings.com/2010/03/02/habits-of-highly-scalable-web-applications/

On it, the presenter mainly talk about relational database scalability.

I also have read something about MapReduce and Column oriented tables, big tables, hypertable etc... trying to understand which are the most up to date methods to scale web application data. But the second group, to me, is being hard to understand where it fits.

It serves as transactional, reliable data store? or not, its just for large access and processing and to handle fine graned operations we will ever need to rely on RDBMSs?

Could someone give a comprehensive landscape for those new technologies and how to use it?

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