You said he shouldn't be looking at Mongo if he has need for normalized data, and that's simply not true. The combination of relational and no-SQL is quite common in big system, using what's best for the task.

+++ Rick ---

>I'm not sure how your statement makes mine invalid. No-SQL doesn't have "normalized" data in the sense people are used to with relational databases.
>
>>Actually that's not true. Mongo and other no-SQL databases are often run side by side with relational databases to provide specialized data access for certain scenarios where it excels.
>>
>>+++ Rick ---
>>
>>>Normalized data is "feature" of relational databases. No-SQL databases like Mongo don't have normalized data. That's what makes them fast. If you're concerned about normalized data, no-sql is not what you should be looking at.