The next query also uses an input document named "prices.xml":
<prices> <book> <title>Advanced Programming in the Unix Environment</title> <source>www.amazon.com</source> <price>65.95</price> </book> <book> <title>Advanced Programming in the Unix Environment </title> <source>www.bn.com</source> <price>65.95</price> </book> <book> <title>TCP/IP Illustrated </title> <source>www.amazon.com</source> <price>65.95</price> </book> <book> <title>TCP/IP Illustrated </title> <source>www.bn.com</source> <price>65.95</price> </book> <book> <title>Data on the Web</title> <source>www.amazon.com</source> <price>34.95</price> </book> <book> <title>Data on the Web</title> <source>www.bn.com</source> <price>39.95</price> </book> </prices>
Adapted from XML Query Use Cases