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 to load data in pig?

607

What are the Optimizations a developer can use during joins?

528

Why should we use ‘orderby’ keyword in pig scripts?

527

What are the different math functions available in Pig?

515

What is Pig Latin?

590

Tell me about the execution modes of Apache Pig?

538

What is a tuple?

2 1187

Why should we use ‘distinct’ keyword in Pig scripts?

540

What are the different Eval functions available in Pig?

562

What are the scalar data types in Pig?

605

State the limitations of Apache Pig?

616

Why we use BloomMapFile?

601

What is a skewed join?

613

Define the Use of Pig?

550

Can we say a COGROUP is a group of more than 1 data set?

555

Un-Answered Questions { Big Data }

Explain various cluster manager in Apache Spark?

381

Compare MapReduce and Spark?

287

Why do we need Pig?

823

What do you understand by sstabl in cassandra?

Why the name ‘hadoop’?

612

Clarify what webdav is in hadoop?

471

What is difference between dataset and dataframe in spark?

318

Compare Hadoop and RDBMS?

410

How to keep files in HDFS?

What is meant by Transformation? Give some examples.

305

How can you start the kafka server?

577

What does hadoop-env.sh do?

445

Can we change the body of the flume event?

What is illustrate used for in apache pig?

594

What file systems does spark support?

1784

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