Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the term HCatalog?

Why HCatalog?

How to create and manage a view in HCatalog?

Explain Alter Table Statement in HCatalog?

How can we drop a table in HCatalog?

Which command do we use to insert data in HCatalog?

Explain HCatalog Architecture in Brief?

HCatalog helps to Integrate Hadoop with everything. Explain?

Explain how HCatalog enables right tool for right Job?

Explain HCatLoader and HCatStorer APIs?

Explain Drop View Statement along with syntax?

State some command line options?

Explain HCatOutputFormat?

What are the general Prerequisites to learn HCatalog?

How HCatalog helps to capture processing states to enable sharing?

Un-Answered Questions { Big Data }

Write a Pig UDF Example ?

815

What MapReduce framework consists of?

1156

How can you make sure of logical grouping of cells in the hbase?

207

How to come out of the insert mode?

840

Which companies are mostly using Hive ?

834

How many types of HBase Operations are there?

175

Define role of velocity in big data?

659

Explain HCatLoader and HCatStorer APIs?

What is the use of spark in big data?

365

What is data ingestion pipeline?

332

Which the fundamental data structure of Spark

328

what is (HS2) HiveServer2?

729

How can Spark be connected to Apache Mesos?

342

Explain different transformations in DStream in Apache Spark Streaming?

343

How is mapreduce related to cloud computing?

714

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