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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain what is a Hive variable. What do we use it for?

722

Double type in Hive - Important points?

679

TRIM function in Hive with example?

725

What is different table structure available in the hive?

659

How can you add a new partition for the month December in the above partitioned table?

681

Why Hive is not suitable for OLTP systems?

736

What is BloomMapFile used for?

670

In case of embedded Hive, can the same metastore be used by multiple users?

799

What are the Binary Storage formats supported in Hive?

726

I want to see the present working directory in UNIX from hive. Is it possible to run this command from hive?

664

What is the use of explode in Hive?

730

How data transfer happens from HDFS to Hive?

825

Can we say cogroup is a group of more than 1 data set?

729

How can the columns of a table in hive be written to a file?

711

What are the different collection type in Hive?

707

Un-Answered Questions { Big Data }

What are the types of tables in Hive?

737

How to Delete directory from HDFS?

What is IdentityMapper?

1006

Does spark replace hadoop?

284

What is apache spark core?

305

What is the usage of "cqlsh-version" command?

148

What is fsck?

643

State the differences between a node, a cluster and datacenter in Cassandra?

What is streaming?

687

Is it possible to change the default location of Managed Tables in Hive, if so how?

719

What is the difference between cassandra's schema and rdbms schema?

Why scala is used in spark?

328

Explain the use of .mecia class?

784

What is the Hadoop MapReduce API contract for a key and value Class?

1292

Explain the term HCatalog?

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