Basic Administration > Administering Windchill > Contexts – Distributed and Hierarchical Administration > Administering the Numbering of Parts, Documents, CAD Documents, Managed Baselines, and Change Objects > Out-of-the-box Numbering Schemes
  
Out-of-the-box Numbering Schemes
The loaded numbering schemes for parts, documents, CAD documents, managed baselines, and change objects are simple Oracle sequences that have been loaded into the Windchill database. Each starts at 1 and increments by 1. This means that the numbers for all parts, documents, CAD documents, managed baselines, and change objects are autogenerated according to the numbering scheme that is in place.