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 difference between CREATE TABLE AND CREATE EXTERNAL TABLE?

701

Explain Hive Thrift server?

697

Differentiate between PigLatin and Hive?

689

How is HCatalog different from Hive?

683

Which java class handles the output record encoding into files which result from Hive queries?

666

What is the significance of the line set hive.mapred.mode = strict;?

799

How to Write a UDF function in Hive?

700

Which java class handles the Input record encoding into files which store the tables in Hive?

732

What is the importance of .hiverc file?

865

When you point a partition of a hive table to a new directory, what happens to the data?

756

What is a generic UDF in the hive?

757

How many types of Tables in Hive?

793

What is the maximum size of string data type supported by Hive?

783

How to add the partition in existing table without the partition table?

703

How do you list all databases whose name starts with p?

693

Un-Answered Questions { Big Data }

How to set up local repository manually?

What is difference between Column and Super Column?

How sparksql is different from hql and sql?

502

What is the roadmap for apache driver version one.0?

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

780

Can you explain broadcast variables?

295

Can you define inputsplit in hadoop?

472

Which command do we use to insert data in HCatalog?

What is driver and executor in spark?

313

Explain repository in apache ambari?

List out Hadoop's three configuration files?

603

Explain what is a sequence file in hadoop?

467

Explain how HCatalog enables right tool for right Job?

Does spark need hdfs?

291

What is spark pipeline?

291

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