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

Big Data Interview Questions

Questions Answers Views Company eMail

What is the maximum number of rows in a table?

Describe impala shell (impala-shell command)?

Can any impala query also be executed in hive?

State some advantages of impala?

Does impala use caching?

How are joins performed in impala?

103

What are distinct operators in impala?

What is troubleshooting for impala?

Can impala be used for complex event processing?

169

How do I configure hadoop high availability (ha) for impala?

How do I know how many impala nodes are in my cluster?

160

What are the differences between relational databases and impala?

On which hosts does impala run?

State some disadvantages of impala?

What is impala data types?

Un-Answered Questions { Big Data }

How would you drop a table in Hive?

686

What are the side data distribution techniques?

446

What is Sparse Vector?

329

Explain about the common workflow of a Spark program?

314

Define fault tolerance?

616

How does impala process join queries for large tables?

What are the ways to run spark over hadoop?

297

Can aluminum cause a spark?

304

What kind of applications is supported by Apache Hive?

759

What are different logging levels in cassandra?

What are the major areas where Ambari helps the system administrators to do?

Mention what is HiveServer2 (HS2)?

743

What problem does Apache Flume solve?

101

Can I do trforms or add new functionality?

State syntax of the command that is used to drop a partition?

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