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

Big Data Interview Questions

Questions Answers Views Company eMail

How would you drop a table in Hive?

1 792

When a large data set is maintained?

1 786

What is Bucket in Hive?

1 794

When you are dealing with static data instead of dynamic data?

1 783

What is Hive Database?

1 752

Is it possible to overwrite Hadoop MapReduce configuration in Hive?

1 779

Is it possible to use same metastore by multiple users, in case of embedded hive?

1 708

When executing Hive queries in different directories, why is metastore_db created in all places from where Hive is launched?

1 885

What is the functionality of Query Processor in Apache Hive?

1 812

What is the difference between Hive CLI and Beeline?

1 903

What kind of data warehouse application is suitable for Hive? What are the types of tables in Hive?

1 775

Give examples of the SerDe classes whihc hive uses to Serializa and Deserilize data?

1 785

How can you prevent a large job from running for a long time? What do u think is more popular among the developers - Pig or Hive?

1 722

Differentiate between describe and describe extended?

1 747

What is sample Query in Hive?

1 753

Un-Answered Questions { Big Data }

Where does the data of a Hive table gets stored?

718

When to use explode in Hive?

803

What is the latest version of spark?

288

What is meant by Transformation? Give some examples.

328

How job tracker schedules an assignment?

473

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

What is the roadmap for apache mahout version 1.0?

When to choose "External Table" in Hive?

847

What is the latest version of ambari that is available in the present market?

List the advantage of Parquet file in Apache Spark?

474

What is the latest version of sqoop?

Explain how RDDs work with Scala in Spark

355

What are the different types of tables available in Hive?

745

Can We Change settings within Hive Session? If Yes, How?

836

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

519

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