PG_SYNONYM

PG_SYNONYM records the mapping between synonym object names and other database object names.

Table 1 PG_SYNONYM columns

Name	Type	Description
oid	oid	Database object ID
synname	name	Synonym name
synnamespace	oid	OID of the namespace that contains a synonym
synowner	oid	Owner of a synonym, usually the OID of the user who created it
synobjschema	name	Schema name specified by an associated object
synobjname	name	Name of an associated object