Question: What is Hadoop How does it work
What is Hadoop? How does it work?
Relevant QuestionsWhat are the main Hadoop components? What functions do they perform?What are the challenges facing data warehousing and Big Data? Are we witnessing the end of the data warehousing era? Why or why not?What is a stream (in the Big Data world)?What is Big Data? Why is it important? Where does Big Data come from?What are the common business problems addressed by Big Data analytics?
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