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MapReduce Overview
What is MapReduce ? Map reduce is an algorithm or concept to process Huge amount of data in a faster way. As per its name you can divide it Map…
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Dancing with Sqoop
What is Sqoop? Sqoop is a command-line interface application for transferring data between relational databases and Hadoop. (or) Import/Export data from RDBMS to Hadoop(HDFS) by using sqoop. You can use…
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The Hadoop Distributed File System
Introduction HDFS, the Hadoop Distributed File System, is a distributed file system designed to hold very large amounts of data (terabytes or even petabytes), and provide high-throughput access to this…
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What is Unstructured Data
The phrase "unstructured data" usually refers to information that doesn't reside in a traditional row-column database. As you might expect, it's the opposite of structured data -- the data stored…