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?

756

Highlight the key differences between MapReduce and Apache Pig?

757

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

723

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

702

Mention the common features in Pig and Hive?

952

What are the debugging tools used for Apache Pig scripts?

831

Differentiate between Hadoop MapReduce and Pig?

678

What is a UDF in Pig?

784

Differentiate between GROUP and COGROUP operators?

682

What is BloomMapFile?

773

Highlight the difference between group and Cogroup operators in Pig?

912

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

1012

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

765

Differentiate between Pig Latin and Pig Engine?

891

What is the function of co-group in Pig?

820

Un-Answered Questions { Big Data }

Clarify about the smb join in hive?

717

Explain the functionality of object-inspector.

784

How do you stop a running job gracefully?

661

Can we run unix shell commands from hive? Can hive queries be executed from script files? How? Give an example.

852

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

Explain process to access sub directories recursively in hive queries.

961

What is Flume?

114

What are the capabilities of kafka?

602

Explain what is webdav in hadoop?

557

Explain what is a task tracker in hadoop?

514

What does apache spark stand for?

304

What is the need for custom serde?

767

Compare RabbitMQ vs Apache Kafka?

613

What is ZooKeeper quorum?

Give some points of hive for hadoop ?

772

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