DSL for a fairly standard object model with SQL DB mapping

Question

I need DSL (for Xtext ) to describe a fairly standard object model:

• There are objects
• They have fields that can be either primitives or references to other entities.
• Links can be 1: 1, 1: N, N: 1 or N: M

Not wanting to reinvent the wheel, what DSLs exist that implement this?

Answer 1

I believe that the current version of Xtext includes an example that looks the way you need it.