 persistent field or property of an entity whose 
 value is an instance of an embeddable class. The embeddable 
 class must be annotated as <a href="Embeddable.html" title="annotation in jakarta.persistence"><code>Embeddable</code></a>.

 <p> The <code>AttributeOverride</code>, <code>AttributeOverrides</code>,
 <code>AssociationOverride</code>, and <code>AssociationOverrides</code>
 annotations may be used to override mappings declared or defaulted
 by the embeddable class.

 <pre>
   Example:

   &#064;Emb