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#01 - Schemas: An introduction
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**Schema**

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter01.xsd
   :language: xml
   :lines: 2-

**Models**

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter01.py
   :language: python

**XML Document**

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter01.xml
   :language: xml
   :lines: 2-

**xsData XML Document**

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter01.xsdata.xml
   :language: xml
   :lines: 2-

**xsData JSON**

.. literalinclude:: /../tests/fixtures/defxmlschema/chapter01.json
   :language: json

.. admonition:: Samples Source
    :class: hint

    `Definitive XML Schema <http://www.datypic.com/books/defxmlschema/>`_
    by Priscilla Walmsley (c) 2012 Prentice Hall PTR