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 is CTAS Table in Hive?

1 793

How do you write your own custom SerDe ?

1 782

How will you read and write HDFS files in Hive?

1 751

Explain ALTER Table statement in Hive?

1 776

LOWER or LCASE function in Hive with example?

1 761

What is the functionality of Query Processor in Apached Hive ?

1 770

Explain Data Type Conversion in Hive?

1 778

Explain SHOW and DESCRIBE Commands in Hive?

1 805

What are the views in Hive?

1 712

What are the different Primitive Data Types available in Hive?

1 746

Are there any problems which can only be solved by MapReduce and cannot be solved by PIG? In which kind of scenarios MR jobs will be more useful than PIG?

1 836

When to choose "Internal Table" in Hive?

1 769

What are the different parts of Hive ?

1 834

What are the types of tables in Hive?

1 794

Does Hive support record level Insert, delete or update?

1 746

Un-Answered Questions { Big Data }

Explain how RDDs work with Scala in Spark

360

What is the latest version of sqoop?

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

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

580

When to use explode in Hive?

803

What is the roadmap for apache mahout version 1.0?

How to skip header rows from a table in Hive?

872

Which modes can Hadoop be run in? List a few features for each mode?

519

Where does the data of a Hive table gets stored?

718

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

How to set property in apache tajo?

How job tracker schedules an assignment?

474

What is the stable version of Hive ?

2673

How can I delete the above index named index_bonuspay?

777

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

854

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