diff --git a/reference/oracle/constants.xml b/reference/oracle/constants.xml
new file mode 100644
index 0000000000..9ca3999b99
--- /dev/null
+++ b/reference/oracle/constants.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.1 $ -->
+<section id="oracle.constants">
+ &reftitle.constants;
+ &extension.constants;
+ <variablelist>
+  <varlistentry>
+   <term>
+    <constant>ORA_BIND_INOUT</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>ORA_BIND_IN</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>ORA_BIND_OUT</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>ORA_FETCHINTO_ASSOC</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>ORA_FETCHINTO_NULLS</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+ </variablelist>
+</section>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/oracle/reference.xml b/reference/oracle/reference.xml
index eaedfcf9c8..aa06c46da0 100644
--- a/reference/oracle/reference.xml
+++ b/reference/oracle/reference.xml
@@ -1,8 +1,21 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <reference id="ref.oracle">
   <title>Oracle functions</title>
   <titleabbrev>Oracle</titleabbrev>
+  
+  <partintro>
+   <section id="oracle.intro">
+    &reftitle.intro;
+    <para>
+     This extension adds support for Oracle database server access.
+     See also the <link linkend="ref.oci8">OCI8</link> extension.
+    </para>
+   </section>
+   
+   &reference.oracle.constants;
+   
+  </partintro>
 
 &reference.oracle.functions;