`information_schema._pg_foreign_data_wrappers.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`_pg_foreign_data_wrappers`
	`authorization_identifier`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`fdwoptions`	unsupported	unsupported	unsupported	`ARRAY NULL`: 10-15	unsupported	unsupported
	`fdwowner`	unsupported	unsupported	unsupported	`OID NULL`: 10-15	unsupported	unsupported
	`foreign_data_wrapper_catalog`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`foreign_data_wrapper_language`	unsupported	unsupported	unsupported	`CHARACTER_DATA NULL`: 10-15	unsupported	unsupported
	`foreign_data_wrapper_name`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`oid`	unsupported	unsupported	unsupported	`OID NULL`: 10-15	unsupported	unsupported