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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
Is hadoop a database?
What are the basic available commands in Hadoop sqoop ?
How many operational commands in hbase?
What is bucketing ?
How can you import only a subset of rows from a table?
How do we create rdds in spark?
What is the difference between spark and apache spark?
Is a job split into maps?
What are the important modes of hadoop?
What are the four characteristics of Big Data?
What is the difference between like and rlike operators in hive?
Can I set the number of reducers to zero?
What are the limitations of Hadoop?
Explain distnct(),union(),intersection() and substract() transformation in Spark?
What is coalesce in spark?
