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

How will you consume CSV file into the Hive warehouse using built SerDe?

840

What is the difference between Hiveserver1 and Hiveserver2?

855

How to Rename a table in Hive

799

What are the advantages and Disadvantages in archieving partition in Hive?

794

When to choose "External Table" in Hive?

842

How to skip header rows from a table in Hive?

866

Where does the data of a Hive table gets stored?

713

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

826

What are the different types of tables available in Hive?

741

When we are using queries instead of scripting?

771

When to use explode in Hive?

798

How can I delete the above index named index_bonuspay?

775

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

849

What are the components of a Hive query processor?

783

What is CTE Table in Hive?

797

Un-Answered Questions { Hadoop }

What is the difference between rdbms and hadoop?

679

What is accumulators and broadcast variables in spark?

339

What is sqoop and flume?

Why is Cassandra popular? Clarify.

What is Hive Data Definition language?

1016

How do I download spark?

288

Is it possible to have hadoop job output in multiple directories?

478

What are the types of System tools?

696

How HDFS client divide the file into the block while storing inside HDFS?

explain the key features of Apache Spark?

355

When is it not recommended to use MapReduce paradigm for large

698

Explain why to use hbase?

166

How to create an rdd?

308

How do you stop a spark?

303

What is the need of key-value pair to process the data in MapReduce?

721

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