51.40. `pg_publication_rel`
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## 51.40. `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 51.78 for a more user-friendly view of this information.

Table 51.40. `pg_publication_rel` Columns

Column Type Description
`oid` `oid` Row identifier
`prpubid` `oid` (references `pg_publication`.`oid`) Reference to publication
`prrelid` `oid` (references `pg_class`.`oid`) Reference to relation

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