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 relational operators available related to combining and splitting in pig language?

711

Highlight the key differences between MapReduce and Apache Pig?

705

How to write 'foreach' statement for bag datatype in pig scripts?

687

State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

661

Mention the common features in Pig and Hive?

917

What are the debugging tools used for Apache Pig scripts?

782

Differentiate between Hadoop MapReduce and Pig?

645

What is a UDF in Pig?

740

Differentiate between GROUP and COGROUP operators?

629

What is BloomMapFile?

737

Highlight the difference between group and Cogroup operators in Pig?

857

How would you diagnose or do exception handling in the pig?

971

What are the relation operations in Pig? Explain any two with examples?

712

Differentiate between Pig Latin and Pig Engine?

847

What is the function of co-group in Pig?

788

Un-Answered Questions { Big Data }

Can you explain how it is different from doing machine learning in r or sas?

What are the benefits of using Spark with Apache Mesos?

290

Explain Spark coalesce() operation?

293

What are the presto applications?

What are use cases of Apache Flume?

A number of combiners can be changed or not in MapReduce?

648

What are the independent extensions that contributed to the ambari codebase?

How does spark rdd work?

317

What is structured data?

649

What are the fundamental configurations parameters specified in map reduce?

635

Can you explain recommendation engine?

Write a quert to import a file in sqoop?

How are large objects handled in Sqoop?

When we are using queries instead of scripting?

732

What is cluster mode in spark?

319

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