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Access External Data Sources from Oracle Database

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  • September 4, 2017

Links to Oracle Big Data Connector Technology Blogs

Bob Hanckel
The following links discuss OHSH (Oracle Shell for Hadoop Loaders) , which is a CLI used for loading Oracle tables from content living in HDFS or Hive tables, and for loading Hive tables from content living in Oracle tables.
 

The following links discuss two Oracle Connectors for Hadoop: Oracle Loader for Hadoop (OLH) and Oracle SQL Connector to HDFS (OSCH).  These are two of the underlying technologies that OHSH uses which can also be directly used by power users.  They also provide better insight on what exactly is happening under-the-covers when using the parallelism of Oracle external tables or Hadoop Map/Reduce to load Oracle tables.

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