Big Data Interview Questions
Questions Answers Views Company eMail

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

423

Highlight the key differences between MapReduce and Apache Pig?

444

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

394

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

425

Mention the common features in Pig and Hive?

631

What are the debugging tools used for Apache Pig scripts?

473

Differentiate between Hadoop MapReduce and Pig?

404

What is a UDF in Pig?

432

Differentiate between GROUP and COGROUP operators?

376

What is BloomMapFile?

479

Highlight the difference between group and Cogroup operators in Pig?

514

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

615

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

454

Differentiate between Pig Latin and Pig Engine?

557

What is the function of co-group in Pig?

551


Un-Answered Questions { Big Data }

What is azure spark?

207


Define MapReduce?

412


Define role of velocity in big data?

229


Explain plucktuple?

304


What is accumulator?

224






Can sqoop use spark?

1


Explain the core methods of a reducer?

184


What is IBM's simple explanation for Big Data's four critical features?

305


Types of Data Flow in Flume?

74


Difference between hive and impala?

427


What are the limitations of Hadoop?

237


Does diesel engine have spark plug?

207


What do you understand by unit and ()in scala?

280


Is map like a pointer?

659


What is ZooKeeper Client?

5