So by now, we have imported all data into HDFS and the data has been processed using MapReduce. Now we need to transfer the data back to MySQL. Apache Sqoop provides the export feature to export data from HDFS storage to relational database like MySQL.
Loading structured data to MySQL using Apache Sqoop
Sqoop export for storing structured data from MySQL 8
Apache Sqoop's export feature can transfer data back to the relational database using the following three methods:
- In insert mode, Sqoop will generate insert queries for the data to be inserted into MySQL. Insert is the default mode of transferring data from HDFS using Sqoop.
- In update mode, Sqoop will provide update statements to update data into the existing records...