Why the name ‘hadoop’?
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What are the limitations of importing RDBMS tables into Hcatalog directly?
What are watches?
What do the master class and the output class do?
Which one is default InputFormat in Hadoop ?
Explain what is sqoop in Hadoop ?
What is unstructured data?
What is the purpose of DataNode block scanner?
Explain the features of stand alone (local) mode?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Does google use hadoop?
Explain the basic difference between traditional rdbms and hadoop?
What platform and java version are required to run hadoop?