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 ODBC and JDBC connectivity in Hive?

675

How to load data into table created in hive ?

695

Is it possible to create cartesian join between 2 tables, using hive?

681

Can we run unix shell commands from hive? Give example?

674

What are the 2 types of table in hive?

683

what does /*streamtable(table_name)*/ do?

777

what is (HS2) HiveServer2?

677

Explain how cassandra delete data?

Mention what needs to be taken care while adding a column?

Mention when you can use alter keyspace?

Define memtable?

Explain how cassandra writes data?

Explain what is memtable in cassandra?

Explain cap theorem?

103

What are the Difference between MongoDB and Cassandra?

Un-Answered Questions { Big Data }

What is vectorized query execution?

313

Use of version command in hadoop sqoop?

What do you know about sequencefileinputformat?

632

In which location name node sores its metadata and why?

672

What is a "reducer" in Hadoop?

869

What is azure spark?

295

Which serialization libraries are supported in spark?

332

What is the maximum size of a message that can be received by the kafka?

552

Does cassandra support acid tractions?

What sorts of actions does the job tracker process perform?

421

Explain the key features of Spark.

284

How can you stop a partition form being queried?

765

Name the various types of lists supported by bootstrap.

677

Mention what job does the conf class do?

420

On what basis name node distribute blocks across the data nodes?

1060

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