Constructing and validating an XML document

In this section we will construct an example XML document and dynamically validate the XML document with the example XML schema, catalog.xsd, using the DOM 3 Validation API in XDK 11g that is included in JDeveloper 11g. We will be constructing the following XML document, catalog.xml:

<?xml version = '1.0' encoding = 'windows-1252'?>
<catalog title="Oracle Magazine" publisher="Oracle Publishing">
<journal date="March-April 2008">
<article section="ORACLE DEVELOPER">
<title>Declarative Data Filtering</title>
<author>Steve Muench</author>
</article>
</journal>
<journal date="May-June 2008">
<article section="ORACLE DEVELOPER">
<title>On the PGA and Indexing Collections</title>
<author>Steven Feuerstein</author>
</article>
</journal></catalog>

The initial XML document that we will be modifying to construct the required XML document is...