PG_EXTENSION_DATA_SOURCE

PG_EXTENSION_DATA_SOURCE records information about external data source. An external data source contains information about an external database, such as its password encoding. It is mainly used with Extension Connector.

**Table 1** PG_EXTENSION_DATA_SOURCE columns
Name	Type	Reference	Description
oid	oid	-	Row identifier (hidden attribute; must be explicitly selected)
srcname	name	-	Name of an external data source
srcowner	oid	PG_AUTHID.oid	Owner of an external data source
srctype	text	-	Type of an external data source. It is NULL by default.
srcversion	text	-	Type of an external data source. It is NULL by default.
srcacl	aclitem[]	-	Access permissions
srcoptions	text[]	-	Option used for foreign data sources. It is a keyword=value string.