Pros/Cons of document based database vs relational database

Posted by damian on Stack Overflow See other posts from Stack Overflow or by damian
Published on 2008-12-03T14:44:29Z Indexed on 2010/04/06 4:23 UTC
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couchdb

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database

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nosql

I've been trying to see if I can accomplish some requirements with a document based database, in this case CouchDB. Two generic requirements:

CRUD of entities with some fields which have unique index on it
ecommerce web app like eBay (better description here).

And I'm begining to think that a Document-based database isn't the best choice to address these requirements. Furthermore, I can´t imagine a use for a Document based database (maybe my imagination is too little).

Can you explain me if I am asking pears to an elm when I try to use a Document based database for this requirements?

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