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 about tablespace?

1 8

Explain the tajo architecture?

1 8

Mention some basic tajo shell commands?

1 8

How to create index statement in apache tajo?

1 8

What are the benefits of apache tajo?

1 8

What is the advantage of hadoop over java serialization?

1 53

What are the disadvantages of hadoop serialization?

1 42

Who is intended audience to learn avro?

1 47

What is the maximum size of string data type supported by hive? Mention the hive support binary formats.

1 713

What is available mechanism for connecting from applications, when we run hive as a server?

1 825

If you run a select * query in hive, why does it not run mapreduce?

1 795

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

1 854

What is the precedence order of hive configuration?

1 998

Why hive does not store metadata information in hdfs?

1 1010

Whenever we run hive query, new metastore_db is created. Why?

1 745

Un-Answered Questions { Big Data }

What is the roadmap for apache mahout version 1.0?

Give me the examples of Columnar database ?

641

How to skip header rows from a table in Hive?

872

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

Which modes can Hadoop be run in? List a few features for each mode?

517

Explain how RDDs work with Scala in Spark

355

What is the function of UNION and SPLIT operators? Give examples?

579

How you can contact your client everyday ?

1013

What is the roadmap for apache driver version one.0?

How do I set up flume agent?

Where does the data of a Hive table gets stored?

718

How to set property in apache tajo?

What is the latest version of ambari that is available in the present market?

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

519

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