
Development Versions: [devel](https://www.postgresql.org/docs/devel/catalog-pg-publication-namespace.html "PostgreSQL devel - 52.41. pg_publication_namespace")

| 52.41. `pg_publication_namespace` |
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The catalog `pg_publication_namespace` contains the mapping between schemas and publications in the database. This is a many-to-many mapping.

**Table 52.41. `pg_publication_namespace` Columns**

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Column Type

Description

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`oid` `oid`

Row identifier

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`pnpubid` `oid` (references [`pg_publication`](https://www.postgresql.org/docs/current/catalog-pg-publication.html "52.40. pg_publication").`oid`)

Reference to publication

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`pnnspid` `oid` (references [`pg_namespace`](https://www.postgresql.org/docs/current/catalog-pg-namespace.html "52.32. pg_namespace").`oid`)

Reference to schema

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