Patent ID: 6044381
Filing Date: 2000-03-28
Classification: G06F,Y10S

Abstract:
A computer implemented method for synchronizing a first database located on a first computer and a second database located on a second computer, the method comprising:determining, at the first computer, whether a record of the first database has been changed or added since a previous synchronization by comparing records of the first database to a first history file located on the first computer comprising records representative of records of the first database at the completion of the previous synchronization;if the record of the first database has not been changed or added since the previous synchronization, sending from the first computer to the second computer information identifying the unchanged record;storing a second history file on the second computer containing records representative of records of the first database at the completion of the previous synchronization, wherein one of the representative records represents the record of the first database determined to be unchanged;using the information identifying the unchanged record to locate the one of the representative records in the second history file; andperforming a synchronization, at the second computer, of the second and first databases using the one of the representative records.