Java Doc for UniqueConstraint.java in  » Database-ORM » toplink » javax » persistence » Java Source Code / Java DocumentationJava Source Code and Java Documentation

 Example:
 @Entity
 @Table(
 name="EMPLOYEE", 
 uniqueConstraints=
 @UniqueConstraint(columnNames={"EMP_ID", "EMP_NAME"})
 )
 public class Employee { ... }