Big Data Interview Questions
Questions Answers Views Company eMail

Is Hive supports Temporary Tables?

659

Explain about the different types of partitioning in Hive?

1 953

What is SerDe in Apache Hive ?

560

What is a partition in Hive?

572

is HQL case sensitive?

565

What is ObjectInspector functionality in Hive?

683

Can you overwrite Hadoop MapReduce configuration in Hive?

567

What are the components used in Hive query processor?

611

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

528

Is the keyword 'DEFINE' like a function name?

582

What is the difference between Cassandra, Pig and Hive?

585

Does 'ILLUSTRATE' run MR job?

585

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

622

What are the different components of a Hive query processor?

1095

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

577


Un-Answered Questions { Big Data }

Who was the original author of Cassandra?

69


What will apache driver do?

33


How are sparks created?

189


Where is the Mapper Output intermediate kay-value data stored ?

1055


List the advantage of Parquet file in Apache Spark?

264






Define paired RDD in Apache Spark?

178


What is a shuffle block in spark?

180


What is the data storage component used by Hadoop?

360


Is spark a programming language?

195


Does spark use hive?

181


Explain bloom?

327


On which hosts does impala run?

37


State about ZooKeeper WebUI?

5


What are the major features/characteristics of rdd (resilient distributed datasets)?

216


When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

239