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?

697

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?

805

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)?

790

What are the different IDE available for Hive Development?

701

Is Hive useful when making data warehouse applications?

738

Explain REVERSE function in Hive with example?

767

Un-Answered Questions { Big Data }

Describe join() operation. How is outer join supported?

289

Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

164

What are the default configuration files that are used in hadoop?

691

Can a spark cause a fire?

328

what is Speculative Execution?

832

What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

1106

How is rdd distributed?

325

What are the stable versions of Hadoop?

1017

What is the command for archiving a group of files in hdfs.

How to change the column data type in hive? Explain rlike in hive.

700

Explain the wordcount implementation via hadoop framework ?

724

What is unstructured data?

667

What is the process of changing the split size if there is limited storage space on Commodity Hardware?

709

Explain the different types of repairs.

How kafka communicate with clients and servers?

520

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