Monthly Archives: January 2015


Introduction to Hadoop Streaming

In this post, we will discuss about introduction to hadoop streaming with term frequency and Inverse document frequency algorithm. Hadoop Streaming By default Mapreduce framework is written in Java and supports writing mapreduce programs in Java programming language but Hadoop provides API for writing mapreduce programs in other than Java Language. Hadoop Streaming is an utility that comes with hadoop distribution and allows users to write mapreduce programs in any […]


Sqoop Interview Questions and Answers for Experienced 18

In this post we will provide some practical Sqoop Interview Questions and Answers for experienced hadoop developers. Sqoop Interview Questions and Answers for Experienced 1. What is Sqoop? Sqoop is an open source tool that enables users to¬†transfer bulk data between Hadoop eco system and relational databases. 2. What are the relational databases supported in Sqoop? Below are the list of RDBMSs that are supported by Sqoop Currently. MySQL PostGreSQL […]


Introduction to Business Intelligence and Data Warehousing

In this post we will briefly discuss about¬†Introduction to Business Intelligence and Data Warehousing concepts and their uses and market trends in IT industry. Business Intelligence What is Business Intelligence? Business Intelligence is the set of processes, technologies, and tools that help an organization to transform raw data into meaningful and useful information for business analysis (Identifying business needs and determining solutions to business problems). What is the need for […]