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From Tom McNulty <>
Subject Re: Reduce Assumptions
Date Mon, 30 Mar 2009 22:56:12 GMT
Sorry not sure why that sent twice.

Yes please do add this answer to the wiki. As a person new to CouchDB,  
I found the reduce stage to be the most mysterious.  This is of course  
quite good, since it forces users to think about the data structures  
involved. At this level, you're likely to have a much better  
understanding of your database, than a typical (blackbox) SQL user.

  Perhaps a diagram showing a reduce operation, progressing through  
subtrees would be quite illustrative?

- Tom

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