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

Big Data Interview Questions

Questions Answers Views Company eMail

Where does the data of a Hive table gets stored?

668

Can We Change settings within Hive Session? If Yes, How?

781

What are the different types of tables available in Hive?

695

When we are using queries instead of scripting?

732

When to use explode in Hive?

750

How can I delete the above index named index_bonuspay?

731

What is a Hive variable? What for we use it?

804

What are the components of a Hive query processor?

732

What is CTE Table in Hive?

752

How to change a column data type in Hive?

689

How Facebook Uses Hadoop, Hive and Hbase ?

707

Mention what is HiveServer2 (HS2)?

787

What are the different IDE available for Hive Development?

700

Is Hive useful when making data warehouse applications?

736

Explain REVERSE function in Hive with example?

766

Un-Answered Questions { Big Data }

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

875

What is a secondary namenode?

628

What happens when the data set exceeds available memory?

What is a row in cassandra? And what are the different elements of it?

What is executor memory in spark?

324

What do you mean by Thrift in Cassandra?

what happens when Hadoop spawned 50 tasks for a job and one of the task failed?

688

What is network topology strategy?

How is hadoop related to the big data? Describe its components?

495

How does gossip protocol work?

What is the meaning of the term "non-DFS used" in Hadoop web-console?

1308

How HCatalog helps to capture processing states to enable sharing?

What is the main difference between kafka and fume?

591

What is meant by streaming access?

545

What do you mean by meta information in hdfs?

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