Patent ID: 8423506

Claim:
An embedded change logging data processing system configured for data synchronization, the system comprising: an embedded database (EDB) disposed in a pervasive device, the EDB storing entries for notified changes in data for multiple different end-user applications in the pervasive device; a change log service (CLS) disposed in the pervasive device and coupled to the EDB, the CLS comprising program code enabled to register with multiple different end-user applications in the pervasive device to receive notifications of changes, and to write entries to the EDB responsive to the notifications; wherein the program code of the CLS is further enabled to optimize the entries in the EDB by accounting for an existing entry in the EDB relative to a change action specified in a proposed entry to the EDB; and a synchronization client disposed in the pervasive device separately from the CLS, the synchronization client comprising program code enabled to directly access the EDB to perform data synchronization with a remote host.