A Set with no nullable element columns will have a primary
            key consisting of all table columns (ie - key columns + 
            element columns).
            
Namespace: NHibernate.MappingAssembly: NHibernate (in NHibernate.dll) Version: 3.2.0.4000 (3.2.0.4000)
Syntax
| C# | 
|---|
[SerializableAttribute] public class Set : Collection  | 
| Visual Basic | 
|---|
<SerializableAttribute> _ Public Class Set _ Inherits Collection  | 
| Visual C++ | 
|---|
[SerializableAttribute] public ref class Set : public Collection  |