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

Hadoop Interview Questions

Questions Answers Views Company eMail

What are the storage supported by tajo?

What is having clause in apache tajo?

Mention the salient features of apache tajo ?

What are apache tajo sql functions?

Explain about catalog configuration?

How tables are managed in apache tajo?

Explain different queries performed by apache tajo?

Explain about postgresql storage handler?

How to create database statement in apache tajo?

What are the data formats supported by apache tajo?

Explain about tablespace?

Explain the tajo architecture?

Mention some basic tajo shell commands?

How to create index statement in apache tajo?

What are the benefits of apache tajo?

Un-Answered Questions { Hadoop }

How does one create RDDs in Spark?

298

Explain pipe() operation in Apache Spark?

324

What are the advantages of DataFrame?

323

How can data transfer be minimized when working with Apache Spark?

308

Are multiline comments supported in Hive?

3340

How can it help for avoiding costly modeling?

What is keyspace in Cassandra?

Whether the output of mapper or output of partitioner written on local disk?

723

Can hadoop replace relational database?

481

Why is Apache Spark faster than Apache Hadoop?

882

Does Hadoop requires RAID?

997

Is it possible to use the same metastore by multiple users, in case of the embedded hive?

852

How is reporting controlled in hadoop?

837

What is Fault Tolerance in HDFS?

List the languages supported by Apache Spark?

319

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