## 51.16. `pg_db_role_setting`

The catalog `pg_db_role_setting` records the default values that have been set for run-time configuration variables, for each role and database combination.

Unlike most system catalogs, `pg_db_role_setting` is shared across all databases of a cluster: there is only one copy of `pg_db_role_setting` per cluster, not one per database.

Table 51.16. `pg_db_role_setting` Columns

Column Type Description
`setdatabase` `oid` (references `pg_database`.`oid`) The OID of the database the setting is applicable to, or zero if not database-specific
`setrole` `oid` (references `pg_authid`.`oid`) The OID of the role the setting is applicable to, or zero if not role-specific
`setconfig` `text[]` Defaults for run-time configuration variables