1. Categories >> Software >> Big Data
  2. Suggest New Category


Big Data Interview Questions
Questions Answers Views Company eMail

Explain the term HCatalog?

 5

Why HCatalog?

 5

How to create and manage a view in HCatalog?

 5

Explain Alter Table Statement in HCatalog?

 5

How can we drop a table in HCatalog?

 5

Which command do we use to insert data in HCatalog?

 5

Explain HCatalog Architecture in Brief?

 5

HCatalog helps to Integrate Hadoop with everything. Explain?

 5

Explain how HCatalog enables right tool for right Job?

 5

Explain HCatLoader and HCatStorer APIs?

 5

Explain Drop View Statement along with syntax?

 5

State some command line options?

 5

Explain HCatOutputFormat?

 5

What are the general Prerequisites to learn HCatalog?

 5

How HCatalog helps to capture processing states to enable sharing?

 5

Un-Answered Questions { Big Data }

What do you understand by mem-table in cassandra?

47

If a Replica stays out of the ISR for a long time, what does it signify?

440

How many types of Transformation are there?

231

How can one check whether NameNode is working or not?

277

What is TaskTracker?

271




Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

201

Which channel type is faster in Flume?

97

Can you explain accumulators in apache spark?

194

What rdd stands for?

192

What are the main key structures of hbase?

118

What happens when you submit spark job?

190

What are the different commands used to startup and shutdown Hadoop daemons?

247

What is the difference between local and remote metastore?

801

What are the exact differences between reduce and fold operation in Spark?

287

Where is the output of Mapper written in Hadoop?

393

For More Un-Answered { Big Data } Questions Click Here