XML Schema Introduction

An XML Schema defines the structure of XML documents and is used to validate the document's format.

XML Schema is a kind of an XML document.

The XML Schema file extension is '.xsd'.

XML Schema describes a document structure, data types, and restrictions.

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

<xs:element name="item">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="name" type="xs:string"/>
      <xs:element name="id" type="xs:integer"/>
      <xs:element name="type" type="xs:string"/>
      <xs:element name="power" type="xs:integer"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

</xs:schema>