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+<!--
+doc/src/sgml/ref/drop_language.sgml
+PostgreSQL documentation
+-->
+
+<refentry id="sql-droplanguage">
+ <indexterm zone="sql-droplanguage">
+  <primary>DROP LANGUAGE</primary>
+ </indexterm>
+
+ <refmeta>
+  <refentrytitle>DROP LANGUAGE</refentrytitle>
+  <manvolnum>7</manvolnum>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+  <refname>DROP LANGUAGE</refname>
+  <refpurpose>remove a procedural language</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+<synopsis>
+DROP [ PROCEDURAL ] LANGUAGE [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
+</synopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+  <title>Description</title>
+
+  <para>
+   <command>DROP LANGUAGE</command> removes the definition of a
+   previously registered procedural language.  You must be a superuser
+   or the owner of the language to use <command>DROP LANGUAGE</command>.
+  </para>
+
+  <note>
+   <para>
+    As of <productname>PostgreSQL</productname> 9.1, most procedural
+    languages have been made into <quote>extensions</quote>, and should
+    therefore be removed with <xref linkend="sql-dropextension"/>
+    not <command>DROP LANGUAGE</command>.
+   </para>
+  </note>
+ </refsect1>
+
+ <refsect1>
+  <title>Parameters</title>
+
+  <variablelist>
+
+   <varlistentry>
+    <term><literal>IF EXISTS</literal></term>
+    <listitem>
+     <para>
+      Do not throw an error if the language does not exist. A notice is issued
+      in this case.
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><replaceable class="parameter">name</replaceable></term>
+    <listitem>
+     <para>
+      The name of an existing procedural language.  For backward
+      compatibility, the name can be enclosed by single quotes.
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><literal>CASCADE</literal></term>
+    <listitem>
+     <para>
+      Automatically drop objects that depend on the language (such as
+      functions in the language),
+      and in turn all objects that depend on those objects
+      (see <xref linkend="ddl-depend"/>).
+     </para>
+    </listitem>
+   </varlistentry>
+
+   <varlistentry>
+    <term><literal>RESTRICT</literal></term>
+    <listitem>
+     <para>
+      Refuse to drop the language if any objects depend on it.  This
+      is the default.
+     </para>
+    </listitem>
+   </varlistentry>
+  </variablelist>
+ </refsect1>
+
+ <refsect1>
+  <title>Examples</title>
+
+  <para>
+   This command removes the procedural language
+   <literal>plsample</literal>:
+
+<programlisting>
+DROP LANGUAGE plsample;
+</programlisting></para>
+ </refsect1>
+
+ <refsect1>
+  <title>Compatibility</title>
+
+  <para>
+   There is no <command>DROP LANGUAGE</command> statement in the SQL
+   standard.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>See Also</title>
+
+  <simplelist type="inline">
+   <member><xref linkend="sql-alterlanguage"/></member>
+   <member><xref linkend="sql-createlanguage"/></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>