Understanding and Validating XML Schema: A Beginner's Guide to Schematron.

<?xml version="1.0" encoding="UTF-8"?>
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="schema.xsd">
  <data>
    <row id="1">
      <A>1</A>
      <B>1</B>
      <C>5</C>
    </row>
    <row id="2">
      <A>1</A>
      <B>2</B>
      <C>3</C>
    </row>
    <row id="3">
      <A>2</A>
      <B>1</B>
      <C>4</C>
    </row>
  </data>
</root>

Schema

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="A" type="xs:string"/>
  <xs:element name="B" type="xs:string"/>
  <xs:element name="C" type="xs:integer"/>
</xs:schema>

Last modified on 2023-10-30