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3 Installing and Configuring the Hadoop Data Adapter : 3.4 Configuring the Hadoop Data Adapter

1.
Use the CREATE EXTENSION command to create the Hadoop data adapter extension on the Postgres host. For details, see Section 3.4.1.
2.
Use the CREATE SERVER command to define a connection to the Hadoop file system. For details, see Section 3.4.2.
3.
Use the CREATE USER MAPPING command to define a mapping that associates a Postgres role with the server. For details, see Section 3.4.3.
4.
Use the CREATE FOREIGN TABLE command to define a table in the Advanced Server database that corresponds to a database that resides on the Hadoop cluster. For details, see Section 3.4.4.

3 Installing and Configuring the Hadoop Data Adapter : 3.4 Configuring the Hadoop Data Adapter

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