Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What are the default read and write classes in Hive?

1 708

Hive new version supported Hadoop Versions ?

1 656

Is multiline comment supported in Hive Script ?

1 747

What is Implicit Type conversion in Hive?

1 852

explaine wal in hbase?

1 190

explain apache hbase?

1 161

The difference between GROUP and COGROUP operators in Pig?

1 623

What are the data types of Pig Latin?

1 612

why should we use 'group' keyword in pig scripts?

1 600

How Pig programming gets converted into MapReduce jobs?

1 664

What are the different modes in which PIG can run and explain those?

1 542

Explain about the execution plans of a Pig Script? Or Differentiate between the logical and physical plan of an Apache Pig script?

1 652

What are the differences between PIG and MapReduce?

1 634

What is the logical plan in pig architecture?

1 629

What is the function of UNION and SPLIT operators? Give examples?

578

Un-Answered Questions { Big Data }

When we are using queries instead of scripting?

778

What is meant by Transformation? Give some examples.

328

What is the function of UNION and SPLIT operators? Give examples?

578

How to set property in apache tajo?

How do I set up flume agent?

What is the roadmap for apache driver version one.0?

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

What is the latest version of sqoop?

How can I delete the above index named index_bonuspay?

777

Where does the data of a Hive table gets stored?

718

When to use explode in Hive?

803

How can you import only a subset of rows from a table?

What is a Hive variable? What for we use it?

854

What is the latest version of spark?

288

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

518

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