The steps followed by Sqoop to import and export data, using its architecture, between HDFS and RDBMS are listed below:
Search the database to collect metadata.
Sqoop splits the input dataset and makes use of the respective map jobs to push these splits to HDFS.
Search the database to collect metadata.
Sqoop splits the input dataset and makes use of respective map jobs to push these splits to RDBMS. Sqoop exports back the Hadoop files to the RDBMS tables.