_PG_FOREIGN_TABLE_COLUMNS

_PG_FOREIGN_TABLE_COLUMNS displays column information about a foreign table. Only the sysadmin user has the permission to view this view.

Table 1 _PG_FOREIGN_TABLE_COLUMNS columns

Name	Type	Description
nspname	name	Schema name
relname	name	Table name
attname	name	Column name
attfdwoptions	text[]	Attribute-level foreign data wrapper options, expressed in a string in the format of keyword=value