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

Big Data Interview Questions

Questions Answers Views Company eMail

Can I do insert … select * into a partitioned table?

What happens if there is an error in impala?

243

Is it possible to share data files between different components?

Does if offer scaling?

Is there a dual table?

What load do concurrent queries produce on the namenode?

How can it help for avoiding costly modeling?

What is the use of expand cqlsh command in Cassandra?

What is Kundera in Cassandra?

What are the consistency levels for read operations in Cassandra?

How the read operation is performed on Cassandra node ?

102

How the write operation is performed on Cassandra node ?

What is the difference between Column and SuperColumn?

150

What do you mean by Thrift in Cassandra?

What are components of Cassandra Data Model?

Un-Answered Questions { Big Data }

Is hive suitable to be used for oltp systems? Why?

806

Is bigger than spark driver maxresultsize?

298

What is map side join?

306

What is reduce side join in mapreduce?

622

Define partitions in apache spark.

2178

What are the various diagnostic operators available in Apache Pig?

746

Can multiple clients write into an HDFS file concurrently?

What is the need of MapReduce in Hadoop?

641

Is it possible to rename the output file, and if so, how?

473

How many types of HBase Operations are there?

169

Is it possible to rename the output file?

801

Why HDFS?

What are snapshots and how do you create one in cassandra?

Which query language is used in Cassandra database?

104

Where are hadoop’s configuration files located and list them?

453

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