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

Big Data Interview Questions

Questions Answers Views Company eMail

Why do we need Pig?

1 870

Does Pig differ from MapReduce? If yes, how?

1 650

How to write 'foreach' statement for tuple datatype in pig scripts?

1 659

How can we see only top 15 records from the student.txt out of100 records in the HDFS directory?

1 624

What are the limitations of the Pig?

1 614

is it posible to join multiple fields in pig scripts?

1 560

What are all stats classes in the org.apache.pig.tools.pigstats package?

1 615

What is Pig Statistics? What are all stats classes in the Java API package available?

1 612

How does the Pig platform handle relational systems data?

1 589

why should we use 'filters' in pig scripts?

1 598

Does 'ILLUSTRATE' run a MapReduce job?

1 576

What Is Difference Between Mapreduce and Pig ?

1 684

What is the use of BloomMapFile?

1 720

Explain the uses of Map Reduce in Pig?

1 588

What are different String functions available in PIG?

1 632

Un-Answered Questions { Big Data }

State some DDL Command with brief Description?

What is the roadmap for apache driver version one.0?

List the advantage of Parquet file in Apache Spark?

474

When we are using queries instead of scripting?

778

What is the roadmap for apache mahout version 1.0?

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

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

How do I set up flume agent?

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

518

How to skip header rows from a table in Hive?

872

Where does the data of a Hive table gets stored?

718

Give me the examples of Columnar database ?

641

What is the latest version of spark?

288

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

578

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

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