<?xml version="l.O" ?> 
<!DOCTYPE jdo SYSTEM "jdo.dtd">

<jdo>
   <package name="com.imaginary.ora"> 
      <class name="Person">
         <field name="personID" primary-key="true"/> 
         <field name="lastName"/> 
         <field name="firstName"/> 
         <field name="title"/> 
         <field name="roles">
            <collection element-type="com.imaginary.ora.Role"/> 
         </field> 
      </class>

      <class name="Role">
         <field name="code"/>
         <field name="name"/> 
      </class>

      <class name="Employee"
         persistence-capable-superclass=''com.imaginary.ora.Role">
    </class>
    ...
  </package>
</jdo>
