This is the home of the Data Model space.
To help you on your way, we've inserted some of our favourite macros on this home page. As you start creating pages, blogging and commenting you'll see the macros below fill up with all the activity in your space. 
Data Model Frequently Asked Questions (FAQ)
- What is the difference between retire and void columns?
- What are the conventions for changing the OpenMRS data model definition?
