XML Schema Complete Reference, The

7.1. A Simple XML Schema Document Example

Listing 7.1 is a trivial XML schema document that specifies only an element type whose structure type is the built-in string datatype.

Listing 7.1. A Trivial XML Schema Document (simpleSchema.xsd)

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="stringElement" type="xsd:string"/> </xsd:schema>

A few features to point out about the preceding trivial schema:

• The only attribute of the schema element—xmlns:xsd—specifies the namespace http://www.w3.org/2001/XMLSchema. Furthermore, the xmlns:xsd attribute specifies the corresponding namespace prefix, ‘xsd’. The specification of the XML schema namespace implies a corresponding XML schema document XMLSchema.xsd, which is the Schema ...