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?

1007

Explain about the different types of partitioning in Hive?

1 1430

What is SerDe in Apache Hive ?

927

What is a partition in Hive?

898

is HQL case sensitive?

860

What is ObjectInspector functionality in Hive?

938

Can you overwrite Hadoop MapReduce configuration in Hive?

906

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?

951

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?

892

Un-Answered Questions { Big Data }

What is the role of CQLSH?

What is the use of MasterServer?

174

Explain textFile Vs wholeTextFile in Spark?

432

How to Delete file from HDFS?

Where are Hadoop’s configuration files located?

507

What are possible types of Channel Selectors?

103

Explain what is hbase?

150

what Hive query processor does?

667

What are the main features of impala?

How often do you need to reformat the namenode?

511

Name three data source available in SparkSQL

307

Name types of Cluster Managers in Spark.

309

Explain the difference between mapreduce engine and hdfs cluster?

130

Why should we use presto?

What happens if rdd partition is lost due to worker node failure?

454

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