ion in javax.persistence">UniqueConstraint</a>[]&nbsp;uniqueConstraints</pre>
<div class="block">(Optional) Unique constraints that are to be placed on the 
 table. These are typically only used if table generation 
 is in effect. These constraints apply in addition to any 
 constraints specified by the <code>Column</code> and <code>JoinColumn</code> 
 annotations and constraints entailed by primary key mappings.
 <p> Defaults to no additional constraints.</div>
<dl>
<dt>Default:</dt>
<dd>{}</dd>
</dl>
</li