Figure 4 CREATE XMLSCHEMA
　

CREATE XMLSCHEMA'<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         xmlns:tns="http://example.org/People"
         targetNamespace="http://example.org/People" >
   <xsd:simpleType name="personAge" >
     <xsd:restriction base="xsd:float" >
       <xsd:maxInclusive value="70" />
       <xsd:minExclusive value="0" />
     </xsd:restriction>
   </xsd:simpleType>
   <xsd:element name="age" type="tns:personAge" />
</xsd:schema>'