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Capgemini-Hadoop Interview Questions

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  • Capgemini-Hadoop Interview Questions

Capgemini Hadoop Interview Questions


  1. What is speculative execution in Hadoop?
  2. What is view? At first, we have created a view on top of the table (two rows- empid, empname). Then added 100 Rows on the table whether the newly added rows will see in view.
  3. How big data problems are solved in retail sector?
  4. At first, we have created a view on top of the table (two rows empid, empname). Then again added a third row (i.e. address ). Whether can we see the newly added row in the view?
  5. What is the largest amount of data that you have handled?
  6. What is Flume? Do you have any knowledge on Flume?
  7. A Table has two rows (emp_name and emp_salary). How to get the Max salary without using the Max keyword or without using UDFs?
  8. What is the purpose of using the Hadoop in your project?
  9. What is Hive Partition and have you used hive partition?
  10. Without inserting or without loading the data to the hive is it possible to load the data to hive?
  11. In HDFS the data will store why again we need to load the data to HIVE?
  12. How to write a UDF in Hive?
  13. Replace a certain word from a file using Unix
  14. How you can join two big tables in Hive?
  15. How to remove the duplicate records from a hive table?

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