# 52.46. pg_publication_namespace

52.46. `pg_publication_namespace`
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## 52.46. `pg_publication_namespace` #

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

Table 52.46. `pg_publication_namespace` Columns

Column Type Description
`oid` `oid` Row identifier
`pnpubid` `oid` (references `pg_publication`.`oid`) Reference to publication
`pnnspid` `oid` (references `pg_namespace`.`oid`) Reference to schema

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