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 Hive supports Temporary Tables?

1009

Explain about the different types of partitioning in Hive?

1 1430

What is SerDe in Apache Hive ?

928

What is a partition in Hive?

900

is HQL case sensitive?

860

What is ObjectInspector functionality in Hive?

938

Can you overwrite Hadoop MapReduce configuration in Hive?

908

What are the components used in Hive query processor?

870

What are the file formats that Hive supports and can use be used for storage?

867

Is the keyword 'DEFINE' like a function name?

952

What is the difference between Cassandra, Pig and Hive?

987

Does 'ILLUSTRATE' run MR job?

852

What is the use of "order by" in Hive?

964

What are the different components of a Hive query processor?

1423

If you run hive as a server, what are the available mechanism for connecting it from application?

893

Un-Answered Questions { Big Data }

Illustrate a simple example of the working of MapReduce.

631

What is the difference between python and spark?

283

Clarify what combiners are and when you should utilize a combiner in a map reduce job?

593

What is anti-entropy and how is it associated with merkel tree?

What is the driver program in spark?

294

What is the relation between job and task in hadoop?

664

What is the difference between Hive CLI and Beeline?

839

If I create a folder in HDFS, will there be metadata created corresponding to the folder? If yes, what will be the size of metadata created for a directory?

Can Hadoop be compared to NOSQL database like Cassandra?

910

Name all HCatalog Features?

Explain reduceByKey() Spark operation?

300

Where does the data of a Hive table gets stored?

668

What does rdd mean?

314

what happens when Hadoop spawned 50 tasks for a job and one of the task failed?

691

What is vectorized query execution?

315

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