SQOOP是一款开源的工具，主要用于在HADOOP与传统的数据库间进行数据的传递，下面从SQOOP用户手册上摘录一段描述
Sqoop is a tool designed to transfer data between Hadoop andrelational databases. You can use Sqoop to import data from arelational database management system (RDBMS) such as MySQL or Oracleinto the Hadoop Distributed File System (HDFS),transform the data in Hadoop MapReduce, and then export the data backinto an RDBMS.