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

Big Data Interview Questions

Questions Answers Views Company eMail

What is an Agent?

1 98

Explain about the replication and multiplexing selectors in Flume?

1 113

Differentiate between FileSink and FileRollSink?

1 122

Why are we using Flume?

1 93

Difference between Sqoop and Cassandra?

1 18

How are large objects handled in Sqoop?

1 19

How Sqoop can be used in a Java program?

1 19

How can you check all the tables present in a single database using Sqoop?

1 18

Is it possible to do an incremental import using Sqoop?

1 21

What is the process to perform an incremental data load in Sqoop?

1 16

Can free form SQL queries be used with Sqoop import command?

1 19

What is the difference between an RDBMS and Hadoop?

1 716

How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?

1 765

What is the data storage component used by Hadoop?

1 692

When is it not recommended to use MapReduce paradigm for large scale data processing?

1 748

Un-Answered Questions { Big Data }

What is meant by Transformation? Give some examples.

334

When to choose "External Table" in Hive?

849

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

836

What is the latest version of sqoop?

Which modes can Hadoop be run in? List a few features for each mode?

519

Give me the examples of Columnar database ?

641

What is the function of UNION and SPLIT operators? Give examples?

580

What is the stable version of Hive ?

2673

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

What is the latest version of spark?

292

How to skip header rows from a table in Hive?

872

What is the latest version of ambari that is available in the present market?

When to use explode in Hive?

803

How can I delete the above index named index_bonuspay?

777

State some DDL Command with brief Description?

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