examples/xml/data.xml
<!--
    - List all the currencies
    - What is the currency in the USA
    - What is the currency in the country with id 2 ?
    - Replace the currency in Hungary to Euro
    - Add another country called Beregengocia with currency 
-->
<data>
  <country id="1">
    <name>USA</name>
    <languages>
      <language id="1">English</language>
      <language id="2">Spanish</language>
    </languages>
    <currency>USD</currency>
  </country>
  <country id="2">
    <name>Israel</name>
    <languages>
      <language id="1">Hebrew</language>
      <language id="2">English</language>
      <language id="3">Arabic</language>
      <language id="4">Russian</language>
    </languages>
    <currency>NIS</currency>
  </country>
  <country id="3">
    <name>Hungary</name>
    <languages>
      <language id="1">Hungarian</language>
    </languages>
    <currency>HUF</currency>
  </country>
</data>