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| title: pg_namespace |
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| The `pg_namespace` system catalog table stores namespaces. A namespace is the structure underlying SQL schemas: each namespace can have a separate collection of relations, types, etc. without name conflicts. |
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| <a id="topic1__gx143898"></a> |
| <span class="tablecap">Table 1. pg\_catalog.pg\_namespace</span> |
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| | column | type | references | description | |
| |------------|-------------|----------------|-----------------------------------------------------| |
| | `nspname` | name | | Name of the namespace | |
| | `nspowner` | oid | pg\_authid.oid | Owner of the namespace | |
| | `nspacl ` | aclitem\[\] | | Access privileges as given by `GRANT` and `REVOKE`. | |
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