Log change accumulation adopted for database recovery

As Database technology widely used in various fields, during the process of DB application, human error, system instability, damage to storage media and so on may result in the lost of important data. It will lead to a huge disaster for individual and businesses, especially for the online businesses. So how to do DB recovery in the shortest time and in a most effective way many companies focus on. Before one Change accumulation solution that optimization of DB log in advance for IMS was put forward to speed up the process of IMS DB recovery. This paper focus on a more effective DB recovery solution research that is the optimization of change accumulation solution and compare the performance between them in IMS Database.