MDAC 2.5 SDK - OLE DB Providers
Cursor Service for OLE DB
The Cursor Service can customize updating by using the UpdateCriteria property as exposed through ADO. Update options include KeyField only, KeyField and modified fields, KeyField and all other fields, and KeyField and Timestamp. Custom resync commands can be issued. Properties reflecting these update options can be found in Supported Properties of the Cursor Service in this document.