## 52.63. `pg_user_mapping`[]() The catalog `pg_user_mapping` stores the mappings from local user to remote. Access to this catalog is restricted from normal users, use the view [`pg_user_mappings`](view-pg-user-mappings.html) instead.**Table 52.64. `pg_user_mapping` Columns**| Column Type<br/><br/> Description ||------------------------------------------------------------------------------------------------------------------------------------------------------------|| `oid``oid`<br/><br/> Row identifier ||`umuser``oid` (references [`pg_authid`](catalog-pg-authid.html).`oid`)<br/><br/> OID of the local role being mapped, or zero if the user mapping is public ||`umserver``oid` (references [`pg_foreign_server`](catalog-pg-foreign-server.html).`oid`)<br/><br/> The OID of the foreign server that contains this mapping|| `umoptions``text[]`<br/><br/> User mapping specific options, as “keyword=value” strings |
