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

Big Data Interview Questions

Questions Answers Views Company eMail

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

744

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

726

What is Bucketing and Clustering in Hive?

697

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

834

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

712

How Hive distributes the rows into buckets?

808

Why is Hive not suitable for OLTP systems?

770

Why do we perform partitioning in Hive?

759

Wherever (Different Directory) I run the hive query, it creates new metastore_db, please explain the reason for it?

756

What is the difference between local and remote metastore?

1122

What are different modes of metastore deployment in Hive?

709

Mention what are the type of database does Hive support ?

699

What is LazyOutputFormat in MapReduce?

698

What is Output Format in MapReduce?

703

Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

626

Un-Answered Questions { Big Data }

How to create Users in hadoop HDFS?

How do you integrate spark and hive?

324

How much faster is Apache spark than Hadoop?

294

What is a bloom filter and how does it help in searching rows?

177

What is dag – directed acyclic graph?

304

Can we do online transactions(oltp) using hadoop?

679

What ports does Cassandra use?

What are the different functions available in pig latin language?

582

What is the use of illustrate in pig?

529

What are basic steps to be performed while working with big data?

575

Define Thrift?

268

Explain what is a cluster in cassandra?

What is the purpose of context object?

435

Does spark use zookeeper?

279

How can you schedule a sqoop job using Oozie?

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