he map key or map value.

 <p> To override mappings at multiple levels of embedding, a dot
 (<code>.</code>) notation form must be used in the <code>name</code> element
 to indicate an attribute within an embedded attribute. The value
 of each identifier used with the dot notation is the name of the
 respective embedded field or property.

 <p> If <code>AttributeOverride</code> is not specified, the column is
 mapped the same as in the original mapping.

 <p>Example 1:
 

 <p>Example 2:
 

 <p>Example 3:
 <