The topics discussed in this part include information necessary to successfully use external tables.

• External Tables Concepts
  The external tables feature is a complement to existing SQL*Loader functionality. It enables you to access data in external sources as if it were in a table in the database.
• The ORACLE_LOADER Access Driver
  The ORACLE_LOADER access driver provides a set of access parameters unique to external tables of the type ORACLE_LOADER.
• The ORACLE_DATAPUMP Access Driver
  The ORACLE_DATAPUMP access driver provides a set of access parameters that are unique to external tables of the type ORACLE_DATAPUMP.
• ORACLE_HDFS and ORACLE_HIVE Access Drivers
  The properties used to create an external table that uses the ORACLE_HDFS or ORACLE_HIVE access drivers are specified in a SQL CREATE TABLE ORGANIZATION EXTERNAL statement, in the opaque_format_spec clause of ACCESS PARAMETERS.
• External Tables Examples
  Examples using external tables.