Are databases in the cloud really all that different?

The NoSQL term is losing its luster already as databases in the cloud increase in complexity and functionality.

Last week a discussion emerged in regards to the necessity of the NoSQL moniker associated with a new wave of open-source distributed database projects like CouchDB, MongoDB and Cassandra.

CouchOne, the commercial entity behind CouchDB even announced that it's moving away from associating the company with NoSQL as focuses on enabling offline data and applications.

The current orthodoxy would have you believe that if you are trying to get your head around "big data" or "Web scale" (see video), NoSQL is the answer. If you are dealing with preset data definitions being accessed by all the divisions of your global 100 company, SQL is better.

Here's the reality--relational databases have been around forever and Oracle, Microsoft SQL Server, MySQL, and IBM DB2 won't disappear any time soon. Too many vendors rely on RDBMS for their applications and the ecosystem around relational databases is extremely rich.

What's important to note is that using a database in a cloud-like manner requires system architects and developers recognize the principles associated with building a massively distributed data store.

Traditional SQL-based databases such as Oracle, Microsoft SQL Server, and IBM DB2 were designed to run on a single physical node/cluster in a single location, typically hooked to unified storage with full control over all software/hardware elements.

Running the databases in a virtualized environment with multiple nodes and very limited control imposes obstacles that are difficult to overcome. The wave of NoSQL databases seen recently is a reaction to these limitations.

About the author

Dave Rosenberg has more than 15 years of technology and marketing experience that spans from Bell Labs to startup IPOs to open-source and cloud software companies. He is CEO and founder of Nodeable, co-founder of MuleSoft, and managing director for Hardy Way. He is an adviser to DataStax, IT Database, and Puppet Labs.

 

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