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The gpload utility provides an interface to the Greenplum parallel data loader, gpfdist.
The gpload data loading utility automates parallel data loading tasks. gpload uses a load specification defined in a YAML-formatted control file to load data into the target database as follows:
- Invoke the Greenplum parallel file server program (gpfdist).
- Create an external table definition based on the source data defined.
- Load the source data into the target table in the database according to gpload MODE (Insert, Update or Merge).