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+<!--
+doc/src/sgml/ref/alter_large_object.sgml
+PostgreSQL documentation
+-->
+
+<refentry id="sql-alterlargeobject">
+ <indexterm zone="sql-alterlargeobject">
+  <primary>ALTER LARGE OBJECT</primary>
+ </indexterm>
+
+ <refmeta>
+  <refentrytitle>ALTER LARGE OBJECT</refentrytitle>
+  <manvolnum>7</manvolnum>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+  <refname>ALTER LARGE OBJECT</refname>
+  <refpurpose>change the definition of a large object</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+<synopsis>
+ALTER LARGE OBJECT <replaceable class="parameter">large_object_oid</replaceable> OWNER TO { <replaceable>new_owner</replaceable> | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
+</synopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+  <title>Description</title>
+
+  <para>
+   <command>ALTER LARGE OBJECT</command> changes the definition of a
+   large object.
+  </para>
+
+  <para>
+   You must own the large object to use <command>ALTER LARGE OBJECT</command>.
+   To alter the owner, you must also be a direct or indirect member of the new
+   owning role.  (However, a superuser can alter any large object anyway.)
+   Currently, the only functionality is to assign a new owner, so both
+   restrictions always apply.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>Parameters</title>
+
+  <variablelist>
+   <varlistentry>
+    <term><replaceable>large_object_oid</replaceable></term>
+    <listitem>
+     <para>
+      OID of the large object to be altered
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><replaceable>new_owner</replaceable></term>
+    <listitem>
+     <para>
+      The new owner of the large object
+     </para>
+    </listitem>
+   </varlistentry>
+  </variablelist>
+ </refsect1>
+
+ <refsect1>
+  <title>Compatibility</title>
+
+  <para>
+   There is no <command>ALTER LARGE OBJECT</command> statement in the SQL
+   standard.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>See Also</title>
+
+  <simplelist type="inline">
+   <member><xref linkend="largeobjects"/></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>