I just watched the recording of Dr. DeWitt from PASS since I did not get to go. I thought the points on how/when to use Hadoop and PDW put into context what the practical future roadmap looks like and how a future multiple universe data management system will work to bridge both structured and unstructured data worlds. For current state, the realities of Hadoop simple join and analysis query performance pains, Hadoop query syntax impracticality for businesses and how/when PDW analytic queries perform much better than Hadoop queries are very helpful to understand for data architects dealing with data explosion. The bottom line seems to be a better together message: Hadoop + PDW.


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