NPersistence Reference Guide
The UniqueConstraint type exposes the following fields.
XNA Framework Only
.NET Compact Framework Only
(Required) An array of the column names that make up the constraint
(Optional) Constraint name. A provider-chosen name will be chosen if a name is not specified.
(Required) Specifies the Table, JoinTable, SecondaryTable or TableGenerator attribute which this UniqueConstraint attribute belongs to. This Unique constraint represents a Unique constraint that is to be placed on the table. it is only used if table generation is in effect. the constraint applys in addition to any constraints specified by the Column and JoinColumn annotations and constraints entailed by primary key mappings. Defaults to no additional constraints