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 DDL commands used in hbase?

154

How will you explain COGROUP in Pig?

622

What are the 2 modes used to run pig scripts?

620

What co-group does in Pig?

628

Is the keyword ‘FUNCTIONAL’ a User Defined Function (UDF)?

548

Is the keyword ‘DEFINE’ as a function name?

569

How to show up details in pig ?

597

What does FOREACH do?

577

What relational operators can we use that are related to combining and splitting in Pig language?

553

What are the different modes available in Pig?

558

How is Pig Useful For?

640

How to restrict the number of lines to be printed in pig ?

581

What is the difference between logical and physical plans?

554

What are Pig Execution modes?

615

What is bag data type in Pig?

678

Un-Answered Questions { Big Data }

how to share the metastore within multiple users?

918

What will you do when NameNode is down?

997

What features from relational databases or hive are not available in impala?

Explain what happens in textinformat ?

748

What is ZooKeeper Client?

List few components that are using big data?

545

Is hive suitable to be used for oltp systems? Why?

795

How Spark uses Akka?

320

Explain the basic difference between traditional rdbms and hadoop?

653

How does inputsplit in mapreduce determines the record boundaries correctly?

645

Explain ingestion in big data?

631

Explain tajo configuration files?

What is the History of Cassandra Database ?

What is the use of “resultset execute” method?

What is hive metastore?

710

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