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Real-Time Big Data Analytics by Shilpi Saxena, Sumit Gupta

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Distributed databases (NoSQL)

We have discussed the paradigm shift from data to computation to the paradigm of computation to data in case of Hadoop. We understand on the conceptual level how to harness the power of distributed computation. The next step is to apply the same to database level in terms of having distributed databases.

In very simple terms, a database is actually a storage structure that lets us store the data in a very structured format. It can be in the form of various data structural representations internally, such as flat files, tables, blobs, and so on. Now when we talk about a database, we generally refer to single/clustered server class nodes with huge storage and specialized hardware to support the operations. So, this can ...

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