What are the options for using non-relational data warehouses?

Question

I am considering using CouchDB for one project and the data warehouse of a GAE application in another. For relational things, I usually use postgres, although I prefer ORM.

In any case, which use cases are best for relational data warehousing?

Answer 1

Here is a small short article (spread over three pages) that covers a use case for non-relational databases.

http://www.readwriteweb.com/enterprise/2009/02/is-the-relational-database-doomed.php

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Answer 2

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Answer 3

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