International Journal of Computer Science and Mobile Computing (IJCSMC)
Manual system which is used to manage the database represents a problem in the current time after the tremendous progress in the information technology field. Due to the increased number of peoples and their information has become not easy to deal with the classic manual system for that the solution is by use automated system, but a new problem is generated how to control the data update. In the manual system, the update process done by the write-off or correction ink and this manner used for a limited number of updates. In the automated system, the problem is how to know if the data is updated or not, how to know how many updating and if there is ability of recovery or not.