Martin Fowler 
Martin Fowler: The Future is not just NoSQL, it's Polyglot Persistence
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The NoSQL v. SQL argument has been beaten (almost) to death, and now it's time to look forward to the foggy future of the data storage and access. Martin Fowler and Pramod Sadalage have s recently released a slick infodeck tracing a simple history of databases, as well as their own prophecy of where databases are headed, namely Polyglot Persistence, or: "Using multiple data storage technologies, chosen based upon
the way data is being used by individual applications." Below are a couple of screenshots from the infodeck, as well as a link to the .pdf.
Link to The future is:
Published at DZone with permission of Martin Fowler, author and DZone MVB.Link to The future is: NoSQL Databases Polyglot Persistence
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Neo Technology and DataStax are leading the charge for the NoSQL movement. You can learn more about the Neo4j Graph Database in the project discussion forums and try out the new Spring Data Neo4j, which enables POJO-based development. You can also see how Apache Cassandra, a ColumnFamily data store, is pushing the boundaries of persistence with cloud capabilities and deployments at SocialFlow and Netflix.
