Please refer to this article ( Introducing Cascalog: a Clojure-based query language for Hadoop) for more of the details.

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This traditional database platforms, known as relational database management systems (RDBMS) all use a language called SQL (structured query language).

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By entering certain strings of text into user input boxes on Web sites, cybercriminals are able to confuse their commands with data in a site's Structured Query Language (SQL) database and gain control of it, says Grossman.

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Quite which way is likely to produce what we all finally desire, a machine intelligence that we can query with natural language and get the answers based upon all of human knowledge, is as yet unknown.

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To build the bridge between SQL and MapReduce, Aster has created three keyword extensions to SQL, which allow users to extend queries through a modeling capability that simplifies the necessary language for creating a MapReduce query.

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Splunk has a relatively simple search language that can be used by both beginners and experts to directly query big data sets.

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The simplest approach may be through the technology offered by Splunk, which has its own search language that allows you to search through big data, identify useful query types, and express your developing understanding of the structure of the data as you search.

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