title: How to Create Unique Constraint with Multiple Columns using ServiceStack.OrmLite?
body: <p>How does one create a unique constraint with ServiceStack.OrmLite (using attributes, hopefully)?  The documentation shows how to create a unique constraint only on a single column:</p>
  
  <p><a href="https://github.com/ServiceStack/ServiceStack.OrmLite" rel="nofollow">ServiceStack.OrmLite Docs</a></p>
  
  <p>If it helps, I am using <code>ServiceStack.OrmLite.SqlServer</code>.</p>