# 52.32. pg\_namespace

目錄 pg\_namespace 儲存命名空間。命名空間是 SQL 綱要的基礎結構：每個命名空間可以有一個獨立的關連，型別等集合，而不會有名稱衝突。

#### **Table 52.32. `pg_namespace` Columns**

| 欄位         | 型別          | 參考                                                            | 說明                                                                                                            |
| ---------- | ----------- | ------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- |
| `oid`      | `oid`       |                                                               | 資料列指標（隱藏屬性；必須明確選擇）                                                                                            |
| `nspname`  | `name`      |                                                               | 命名空間的名稱                                                                                                       |
| `nspowner` | `oid`       | [`pg_authid`](/11/internals/system-catalogs/pg_authid.md).oid | 命名空間的所有者                                                                                                      |
| `nspacl`   | `aclitem[]` |                                                               | 存取權限；有關詳細信息，請參閱 [GRANT](/11/reference/sql-commands/grant.md) 和 [REVOKE](/11/reference/sql-commands/revoke.md) |


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