When To Use External Table And Internal Table In Hive

When To Use External Table And Internal Table In Hive

We can create table in hive in two different approaches,one approach is hive external table and another approach is hive managed table.In this post we explained the detailed information about Hive create table and real time examples of hive create tables. Here is the two types of hive table . i) Hive External Table ii) […]

How Yahoo Using Hadoop In Real Time


Yahoo is one of the top search engine website in now a days internet world,After google search engine Yahoo is the best search engine.Yahoo also providing so many services to the users and developing so many applications for business intelligence by using so many technologies.Hadoop is one of the major using technology in Yahoo.Now in […]

Sqoop Import

sqoop import

SQOOP IMPORT: The sqoop import tool imports individual tables from RDBMS to HDFS.Sqoop import tool takes data from RDBMS with four mappers by default,to HDFS.In the process of importing sqoop provides java classes and jar file. Sqoop  import <——->  either Database(tables) or Mainframe(datasets)   Sqoop tool ‘import’ is used to import table data from the […]

Apache Sqoop Introduction


RDBMS is the one of the source to genereate GB’s of data.This Big Data storages and analyzers such as MapReduce, Hive, HBase, Cassandra, Pig,Sqoop,etc. of the Hadoop ecosystem came into picture, they required a tool to interact with the relational database servers for importing and exporting the Big Data residing in them. Here is description […]

Installation of Sqoop

sqoop installation

 Installation of sqoop: Installation of sqoop is very easy.In the process  installation of sqoop no need to update the sqoop-site.xml for basic sqoop commands.Just download the sqoop installation tar file from apache mirrors,then copy it into specified directory,and then extract it,finally update the bashrc file. Sqoop is used to transfer data between Hadoop and relational databases or […]