Top 50 Hadoop and Big Data Interview Questions

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What is the Difference between Big Data and Hadoop?

Ans. Big Data is an umbrella term used for a set of technologies to handle Big Data. Hadoop is a Big Data tool (or software). It can be understood with the E-Commerce and PHP analogy. While E-Commerce is a technology, it can be implemented in PHP or other languages.

Can we query the files on Hadoop similar to how we query a RDBMS table? 

Yes, by using HIVE.

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