Pig UDF (User Defined Functions) To specify custom processing, Pig provides support for user-defined functions (UDFs). Thus, Pig allows us to create…
Tag:
mapreduce
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Hive Tutorial Hive tutorial provides basic and advanced concepts of Hive. Our Hive tutorial is designed for beginners and professionals. Apache Hive…
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Apache Pig Tutorial Pig tutorial provides basic and advanced concepts of Pig. Our Pig tutorial is designed for beginners and professionals. Pig…
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RDBMS vs HBase There differences between RDBMS and HBase are given below. Schema/Database in RDBMS can be compared to namespace in Hbase.…
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Sqoop Export In previous cases, flow of data was from RDBMs to HDFS. Using “export” tool, we can import data from HDFS…
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What is Big Data Data which are very large in size is called Big Data. Normally we work on data of size…
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Sqoop Import We have tables in mySql database and we have to import it to HDFS using Sqoop.To see the content in…
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What is Hadoop Hadoop is an open source framework from Apache and is used to store process and analyze data which are…
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Sqoop Installation The prerequisite for Sqoop installation are Java and Hadoop. These two must be preinstalled in the system. Download the latest…
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What is HBase Hbase is an open source and sorted map data built on Hadoop. It is column oriented and horizontally scalable.…