PG_SYNONYM

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

Table 1 PG_SYNONYM columns

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