PostgreSQL 9.4.4 Documentation
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# 48.16. `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 48-16. `pg_db_role_setting` Columns

Name | Type | References | Description
--- | --- | --- | ---
`setdatabase` | `oid` | ``pg_database`.oid` | The OID of the database the setting is applicable to, or zero if not database-specific
`setrole` | `oid` | ``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

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