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

Big Data Interview Questions

Questions Answers Views Company eMail

Are spark dataframes distributed?

1 342

How do I download spark?

1 290

Why spark is faster than hadoop?

1 265

What is spark tool?

1 281

Who is the founder of spark?

1 333

What is spark flatmap?

1 330

What is spark slang for?

1 304

Is spark a mapreduce?

1 329

What is graphx spark?

1 307

How spark works on hadoop?

1 360

What is spark vs hadoop?

1 299

Who invented the first spark plug?

1 246

What happens when you submit spark job?

1 290

Where is apache spark used?

1 297

What is parallelize in spark?

1 309

Un-Answered Questions { Big Data }

List the advantage of Parquet file in Apache Spark?

474

When to choose "External Table" in Hive?

847

What are the different types of tables available in Hive?

745

How can I delete the above index named index_bonuspay?

777

When we are using queries instead of scripting?

778

What is the roadmap for apache mahout version 1.0?

How you can contact your client everyday ?

1013

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

1059

Where does the data of a Hive table gets stored?

718

How job tracker schedules an assignment?

473

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

519

How can you import only a subset of rows from a table?

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

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

579

Give me the examples of Columnar database ?

641

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