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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

Difference between order by and sort by in Hive?

770

What is Internal and External table in Hive?

760

What are the different components of a Hive architecture?

874

Explain how Hive Deserialize and serialize the data?

787

Mention what is ObjectInspector functionality in Hive?

779

Mention what is the difference between Hbase and Hive?

745

What is Clustring in Hive?

781

Mention Hive default read and write classes?

798

what are views in Hive?

805

In Hive, how can you enable buckets?

784

Is it possible to change the default location of a managed table?

779

What is the difference between the external table and managed table?

754

What is Bucketing and Clustering in Hive?

728

How to create table in hive for a json input file?

866

what is the difference between order by and sort by in Hive?

751

Un-Answered Questions { Hadoop }

What is the Hadoop MapReduce API contract for a key and value Class?

1355

Can you join multiple fields in Apache

576

What are the ways in which Apache Spark handles accumulated Metadata?

370

What are nodes and ephemeral nodes?

List out the ways of creating RDD in Apache Spark?

302

What are the default record and field delimiter used for hive text files?

864

Does HBase support SQL like syntax?

157

What is spark good for?

357

Explain first() operation in Spark?

366

What is streaming?

734

Define a commodity hardware? Does commodity hardware include ram?

777

What do you understand by Executor Memory in a Spark application?

483

RLIKE in Hive?

840

Can you explain smb join in hive?

776

What is a tuple in pig?

594

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