This diagram of online database mode shows the following elements:
On the Hadoop cluster:
An arrow from input data to Oracle Loader for Hadoop.
An arrow points from job configuration to Oracle Loader for Hadoop.
An arrow points from Oracle Loader for Hadoop to a table in an Oracle database.
An arrow points from Oracle Loader for Hadoop to a CVS or Data Pump output file.
On the Database system, an arrow points from a table in an Oracle database to Oracle Loader for Hadoop on the Hadoop cluster.