Category Archives

Question: What are key components of Hbase? Answer: Main components of Hbase :- Hmaster Zoopkeeper Region Server Other main components...

Q. If you run select * query in Hive, why it’s not run MapReduce? It’s an optimization technique. hive.fetch.task.conversion...

14 Jul

BigData Interview Questions- Hive 2

Q. If you run select * query in Hive, why it’s not run MapReduce? It’s an optimization technique. hive.fetch.task.conversion...

Question: What is Hive Metastore ? Answer: Hive Meta store is a database that stores metadata of your hive tables...

14 Jul

BigData Interview Questions- Hive 1

Question: What is Hive Metastore ? Answer: Hive Meta store is a database that stores metadata of your hive tables...

Question: Can I set the number of reducers to zero? Answer: Yes, Setting the number of reducers to zero...

14 Jul

BigData Interview Questions- MapReduce 2

Question: Can I set the number of reducers to zero? Answer: Yes, Setting the number of reducers to zero...

Question: What is Hadoop Map Reduce ? Answer: Hadoop MapReduce is a software framework for easily writing applications which...

14 Jul

BigData Interview Questions- MapReduce

Question: What is Hadoop Map Reduce ? Answer: Hadoop MapReduce is a software framework for easily writing applications which...

Question: What is Big Data ? Answer: Big data is a term for data sets where data is so large...

14 Jul

BigData Interview Questions- Big Data Basics

Question: What is Big Data ? Answer: Big data is a term for data sets where data is so large...

HBase is a database built on top of the HDFS. HBase provides fast lookups for larger tables. The goal...

14 Jul

BigData – Basics of Apache HBase

BigData, Hbase

HBase is a database built on top of the HDFS. HBase provides fast lookups for larger tables. The goal...

Pig was initially developed at Yahoo!. Apache Pig is one of the components of Hadoop is used for processing...

14 Jul

BigData – Basics of Apache Pig

Pig was initially developed at Yahoo!. Apache Pig is one of the components of Hadoop is used for processing...

In this section we are going to cover the following :- Type of tables Creating views Type of Tables :...

14 Jul

BigData – Apache Hive Tables

In this section we are going to cover the following :- Type of tables Creating views Type of Tables :...

Apache Hive is one of the components of Hadoop Ecosystem. Hive is Datawarehouse provides the SQL-like interface used to...

14 Jul

BigData – Basics of Apache Hive