A change log is record that describes the modifications that have occurred on a replica. The supplier server then replays these modifications on the replicas stored on consumer servers, or on other masters, in the case of multi-master replication.
                                                            
                                                     
                        
                                                
                        
                        
                            A log of requests for change raised during a project, showing information on each change, its evaluation, what decisions have been made, and its current status, such as raised, reviewed, approved, implemented, or closed.