<?xml version="1.0" ?> 
 <Schema xmlns="urn:schemas-microsoft-com:xml-data" xmlns:dt="urn:schemas-microsoft-com:datatypes" xmlns:sql="urn:schemas-microsoft-com:xml-sql">

<ElementType name="ChildTable" sql:relation="ChildTable">
 
  <AttributeType name="IdTable" /> 
  <AttributeType name="SomeValue" /> 

  <attribute type="IdTable" /> 
  <attribute type="SomeValue" /> 
  </ElementType>

<ElementType name="ParentTable" sql:relation="ParentTable"
                             sql:key-fields="IdTable">
 
  <AttributeType name="IdTable" /> 
  <AttributeType name="SomeValue" /> 

  <attribute type="IdTable" /> 
  <attribute type="SomeValue" /> 
   
   <element type="ChildTable">
   <sql:relationship key-relation="ParentTable" key="IdTable" foreign-key="IdTable"   
    foreign-relation="ChildTable" /> 
  </element>
   
  </ElementType>

</Schema>