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?

741

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

866

How can you delete the DBPROPERTY in Hive?

681

How do you check if a particular partition exists?

733

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

811

Explain the Differences between Hive and Spark SQL?

761

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

742

Explain Clustering in Hive?

760

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

745

What are collection data types in Hive?

775

Can hive queries be executed from script files? How?

697

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

748

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

852

Explain bucketing in Hive?

894

How to optimize Hive Performance?

762

Un-Answered Questions { Big Data }

What is the role of Zookeeper in HBase architecture?

610

Explain HCatalog Create Table CLI along with its syntax?

Explain Hadoop Archives?

590

What is Rack Awareness? What is its need in Hadoop?

581

What is master node in spark?

320

Define composite key?

When do you call the cleanup method?

560

How to use 'foreach' operation in pig scripts?

602

List the various HDFS daemons in HDFS cluster?

Name the ports Cassandra uses?

What is python stress test in cassandra?

How does bloom filter help in searching rows?

219

What is a skewed join?

647

Highlight the key differences between MapReduce and Apache Pig?

756

Explain about the different channel types in Flume.

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