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?

632

How to load data into table created in hive ?

644

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

637

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

644

What are the 2 types of table in hive?

623

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

713

what is (HS2) HiveServer2?

638

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?

What are the Difference between MongoDB and Cassandra?

Un-Answered Questions { Big Data }

Do we need to install spark in all nodes?

265

Does hadoop install spark?

276

Describe Replication Factor?

Which command is used to SHOW PARTITIONS lists in HCatalog?

Can you define a block and block scanner in hdfs?

What is zookeper?

How many ways we can create rdd in spark?

280

How data or file is written into HDFS?

What is CAP Theorem? What aspects does Hadoop support from this theorem?

432

Can you join multiple fields in apache pig scripts?

544

When should be hadoop archive create?

392

How do I try impala out?

Is it possible to run Apache Spark on Apache Mesos?

267

What are best features of Apache Avro?

Compare MapReduce and Spark?

267

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