52.32. pg\_namespace

|           52.32. `pg_namespace`            |                   |                           |                  |                                |
|:------------------------------------------:|-------------------|---------------------------|------------------|--------------------------------|
|[Prev](catalog-pg-largeobject-metadata.html)|[Up](catalogs.html)|Chapter 52. System Catalogs|[Home](index.html)| [Next](catalog-pg-opclass.html)|

---

## 52.32. `pg_namespace`

[]()

 The catalog `pg_namespace` stores namespaces. A namespace is the structure underlying SQL schemas: each namespace can have a separate collection of relations, types, etc. without name conflicts.

**Table 52.32. `pg_namespace` Columns**

|                                     Column Type<br/><br/> Description                                    |
|----------------------------------------------------------------------------------------------------------|
|                                   `oid` `oid`<br/><br/> Row identifier                                   |
|                             `nspname` `name`<br/><br/> Name of the namespace                             |
|`nspowner` `oid` (references [`pg_authid`](catalog-pg-authid.html).`oid`)<br/><br/> Owner of the namespace|
|      `nspacl` `aclitem[]`<br/><br/> Access privileges; see [Section 5.7](ddl-priv.html) for details      |

---

|[Prev](catalog-pg-largeobject-metadata.html)|[Up](catalogs.html)| [Next](catalog-pg-opclass.html)|
|:-------------------------------------------|:-----------------:|-------------------------------:|
|      52.31. `pg_largeobject_metadata`      |[Home](index.html) |       52.33. `pg_opclass`      |

 // \<![CDATA[ \<-- For SVG support if ('WebSocket' in window) { (function() { function refreshCSS() { var sheets = [].slice.call(document.getElementsByTagName("link")); var head = document.getElementsByTagName("head")[0]; for (var i = 0; i \< sheets.length; ++i) { var elem = sheets[i]; head.removeChild(elem); var rel = elem.rel; if (elem.href && typeof rel != "string" || rel.length == 0 || rel.toLowerCase() == "stylesheet") { var url = elem.href.replace(/(&|\\?)\_cacheOverride=\\d+/, ''); elem.href = url + (url.indexOf('?') \>= 0 ? '&' : '?') + '\_cacheOverride=' + (new Date().valueOf()); } head.appendChild(elem); } } var protocol = window.location.protocol === 'http:' ? 'ws://' : 'wss://'; var address = protocol + window.location.host + window.location.pathname + '/ws'; var socket = new WebSocket(address); socket.onmessage = function(msg) { if (msg.data == 'reload') window.location.reload(); else if (msg.data == 'refreshcss') refreshCSS(); }; console.log('Live reload enabled.'); })(); } // ]]\>