<xs:schema
   xmlns:xs = "http://www.w3.org/2001/XMLSchema"
   xmlns:myType = "http://www.w3.org/XQueryTest/userDefinedTypes" 
   targetNamespace = "http://www.w3.org/XQueryTest/userDefinedTypes" 
   elementFormDefault = "qualified">
   
 <xs:notation name="value1" public="image/jpeg" system="viewer.exe"/>
 <xs:notation name="value2" public="image/png" system="viewer.exe"/> 
 
  <xs:simpleType name = "sizeType">
   <xs:restriction base = "xs:integer">
    <xs:minInclusive value = "1"/>
    <xs:maxInclusive value = "19"/>
   </xs:restriction>
  </xs:simpleType>  
  
  <xs:simpleType name = "floatBased">
   <xs:restriction base = "xs:float">
    <xs:minInclusive value = "15"/>
    <xs:maxInclusive value = "20"/>
   </xs:restriction>
  </xs:simpleType> 
    
  <xs:simpleType name = "stringBased">
   <xs:restriction base = "xs:string">
      <xs:enumeration value="valid value 1" />
      <xs:enumeration value="valid value 2" />
      <xs:enumeration value="valid value 3" />
      <xs:enumeration value="valid value 4" />
      <xs:enumeration value="valid value 5" />
   </xs:restriction>
  </xs:simpleType>    

  <xs:simpleType name = "hatsize">
   <xs:restriction base = "xs:integer">
    <xs:minInclusive value = "1"/>
    <xs:maxInclusive value = "10"/>
   </xs:restriction>
  </xs:simpleType>    
 
  <xs:simpleType name = "shoesize">
   <xs:restriction base = "xs:float">
    <xs:minInclusive value = "2"/>
    <xs:maxInclusive value = "15"/>
   </xs:restriction>
  </xs:simpleType> 

  <xs:simpleType name = "QNameBased">
   <xs:restriction base = "xs:QName">
     <xs:enumeration value="value1" />
     <xs:enumeration value="value2" />
   </xs:restriction>
  </xs:simpleType> 
  
  <xs:simpleType name="NOTATIONBased">
     <xs:restriction base = "xs:NOTATION">
      <xs:enumeration value="myType:value1"/>
      <xs:enumeration value="myType:value2"/>
     </xs:restriction>
  </xs:simpleType>
</xs:schema>