|  | This document is archived and information here might be outdated. Recommended version. | 
Provides access to members that modify an object class schema.
This interface can be used to convert a field of type GUID to type GlobalID or conversely to convert a field of type GlobalID to a field of type GUID.
These methods appy to unversioned ArcSDE feature classes and tables only.
| Name | Description | |
|---|---|---|
|  | RegisterGlobalIDColumn | Registers this column as an Global ID with the database. | 
|  | UnregisterGlobalIDColumn | Unregisters this column as an OID with the database. | 
| Classes | Description | 
|---|---|
| ObjectClass | Esri Object Class object. |