What is the difference between SQL and NoSQL?
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What is a speculative execution in Apache Hadoop MapReduce?
Can you tell us more about ssh?
Explain the features of pseudo mode?
Name some companies that use Hadoop?
Can NameNode and DataNode be a commodity hardware?
How does an hadoop application look like or their basic components?
Define a task tracker?
Explain the wordcount implementation via hadoop framework ?
What is unstructured data?
What are the two main parts of the hadoop framework?
What are the benefits of block transfer?
Is hadoop obsolete?
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