This is the default mapping of the Company model.
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE jdo PUBLIC "-//Sun Microsystems, Inc.//DTD Java Data Objects Metadata 1.0//EN" "http://java.sun.com/dtd/jdo_1_0.dtd">
<orm>
<package name="org.apache.jdo.tck.pc.company">
<class name="Company" table="companies">
<field name="companyid" column="id"/>
<field name="name" column="name"/>
<field name="founded" column="foundeddate"/>
<field name="address">
<embedded>
<field name="street" column="street"/>
<field name="city" column="city"/>
<field name="state" column="state"/>
<field name="zipcode" column="zipcode"/>
<field name="country" column="country"/>
</embedded>
</field>
<field name="departments" mapped-by="company"/>
</class>
<class name="DentalInsurance">
<inheritance strategy="superclass-table"/>
<field name="lifetimeOrthoBenefit" column="lifetimeOrthoBenefit"/>
</class>
<class name="Department" table="departments">
<field name="deptid" column="id"/>
<field name="name" column="name"/>
<field name="company" column="companyid"/>
<field name="employees" mapped-by="department"/>
<field name="fundedEmps" mapped-by="fundingDept"/>
</class>
<class name="Employee" table="employees">
<inheritance strategy="new-table">
<discriminator strategy="class-name" column="discriminator"/>
</inheritance>
<field name="firstname"/>
<field name="lastname"/>
<field name="middlename"/>
<field name="address">
<embedded>
<field name="street" column="street"/>
<field name="city" column="city"/>
<field name="state" column="state"/>
<field name="zipcode" column="zipcode"/>
<field name="country" column="country"/>
</embedded>
</field>
<field name="phoneNumbers" table="employee_phoneno_type" >
<join column="personid"/>
<key column="type"/>
<value column="phoneno"/>
</field>
<field name="hiredate" column="hiredate"/>
<field name="weeklyhours" column="weeklyhours"/>
<field name="dentalInsurance" column="dentalinsurance">
<foreign-key/>
</field>
<field name="medicalInsurance" column="medicalinsurance">
<foreign-key/>
</field>
<field name="department" column="department">
<foreign-key/>
</field>
<field name="fundingDept" column="fundingdept">
<foreign-key/>
</field>
<field name="manager" column="manager">
<foreign-key/>
</field>
<field name="mentor" column="mentor">
<foreign-key/>
</field>
<field name="protege" column="protege">
<foreign-key/>
</field>
<field name="hradvisor" column="hradvisor">
<foreign-key/>
</field>
<field name="reviewedProjects" mapped-by="reviewers"/>
<field name="projects" mapped-by="members"/>
<field name="team" mapped-by="manager"/>
<field name="hradvisees" mapped-by="hradvisor"/>
</class>
<class name="FullTimeEmployee">
<inheritance strategy="superclass-table"/>
</class>
<class name="Insurance" table="insuranceplans">
<inheritance strategy="new-table">
<discriminator strategy="class-name" column="discriminator"/>
<inheritance/>
<field name="insid" column="insid"/>
<field name="carrier" column="carrier"/>
<field name="employee" mapped-by="dentalInsurance" mapped-by="medicalInsurance"/>
</class>
<class name="MedicalInsurance">
<inheritance strategy="superclass-table"/>
<field name="planType" column="planType"/>
</class>
<class name="PartTimeEmployee">
<inheritance strategy="superclass-table"/>
</class>
<class name="Person" table="employees">
<inheritance strategy="no-table"/>
</class>
<class name="Project" table="projects">
<field name="projid" column="projid"/>
<field name="name" column="name"/>
<field name="budget" column="budget"/>
<field name="reviewers" table="project_reviewer">
<join column="projid"/>
<element column="reviewer">
</field>
<field name="members" table="project_member">
<join column="projid"/>
<element column="member"/>
</field>
</class>
</package>
</orm>