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

Big Data Interview Questions

Questions Answers Views Company eMail

Mention what are views in Hive?

694

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

813

How can you delete the DBPROPERTY in Hive?

638

How do you check if a particular partition exists?

691

Can a partition be archived? What are the advantages and Disadvantages?

756

Explain the Differences between Hive and Spark SQL?

716

Can we change the data type of a column in a hive table?

701

Explain Clustering in Hive?

708

What does the “USE” command in the hive do?

695

What are collection data types in Hive?

721

Can hive queries be executed from script files? How?

661

Give examples of the SerDe classes which hive uses to Serialize and Deserialize data?

700

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

804

Explain bucketing in Hive?

847

How to optimize Hive Performance?

715

Un-Answered Questions { Big Data }

What is the difference between a node, a cluster, and data centre?

255

What are features of apache spark?

326

Detail description of the Reducer phases?

852

Mention how many inputsplits is made by a hadoop framework?

578

List the functions of Spark SQL?

483

List the languages supported by Apache Spark?

313

Explain what happens in textinformat ?

748

What are the advantages of kafka?

568

What is the problem with small files in Hadoop?

526

How hbase uses zookeeper?

What is atom in pig?

538

What is the difference between Reducer and Combiner in Hadoop MapReduce?

677

Does kafka use hdfs?

499

Define fault tolerance?

655

How to configure hadoop to reuse JVM for mappers?

1201

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