System Catalogs Definitions - foreign_servers - 《Greenplum Database v6.23 Documentation》

The foreign_servers view contains all foreign servers defined in the current database. Greenplum Database displays only those foreign servers to which the current user has access (by way of being the owner or having some privilege).

column	type	description
`foreign_server_catalog`	sql_identifier	Name of the database in which the foreign server is defined (always the current database).
`foreign_server_name`	sql_identifier	Name of the foreign server.
`foreign_data_wrapper_catalog`	sql_identifier	Name of the database in which the foreign-data wrapper used by the foreign server is defined (always the current database).
`foreign_data_wrapper_name`	sql_identifier	Name of the foreign-data wrapper used by the foreign server.
`foreign_server_type`	character_data	Foreign server type information, if specified upon creation.
`foreign_server_version`	character_data	Foreign server version information, if specified upon creation.
`authorization_identifier`	sql_identifier	Name of the owner of the foreign server.

Parent topic: System Catalogs Definitions