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Apache Sqoop ("SQL to Hadoop") is a Java-based, console-mode application designed for transferring bulk data between Apache Hadoop and non-Hadoop datastores, such as relational databases, NoSQL databases and data warehouses. Version 1.4.4 was released on July 31, 2013.
Techopedia Explains Apache Sqoop
Enterprises that use Hadoop are finding it necessary to transfer some of their data from traditional relational database management systems (RDBMSs) to the Hadoop ecosystem.
Sqoop, an integral part of Hadoop, can perform this transfer in an automated fashion. Moreover, the data imported into Hadoop can be transformed with MapReduce before exporting them back to the RDBMS. Sqoop can also generate Java classes for programmatically interacting with imported data.
Sqoop uses a connector-based architecture that allows it to use plugins for connecting with external databases.
