## 50.41. `pg_publication_rel`

The catalog `pg_publication_rel` contains the mapping between relations and publications in the database. This is a many-to-many mapping. See also Section 50.78 for a more user-friendly view of this information.

Table 50.41. `pg_publication_rel` Columns

Name | Type | References | Description
--- | --- | --- | ---
`prpubid` | `oid` | ``pg_publication`.oid` | Reference to publication
`prrelid` | `oid` | ``pg_class`.oid` | Reference to relation