PostgreSQL 9.4.25 Documentation
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# 48.25. `pg_foreign_table`

The catalog `pg_foreign_table` contains auxiliary information about foreign tables. A foreign table is primarily represented by a `pg_class` entry, just like a regular table. Its `pg_foreign_table` entry contains the information that is pertinent only to foreign tables and not any other kind of relation.

Table 48-25. `pg_foreign_table` Columns

Name | Type | References | Description
--- | --- | --- | ---
`ftrelid` | `oid` | ``pg_class`.oid` | OID of the `pg_class` entry for this foreign table
`ftserver` | `oid` | ``pg_foreign_server`.oid` | OID of the foreign server for this foreign table
`ftoptions` | `text[]` |  | Foreign table options, as "keyword=value" strings

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