Add to ORKGABSTRACT: A database is a collection of data normally describing the activities of one or more organization. In now-a-days database security at various level of designing database is the main issue. It protects recorded data from threats, unauthorized use, data loss, hackers, deletion, replication, false server and unauthorized modification. If the database is complex then more complex the security measures that is to be controlled. Data is more insecure and vulnerable on network and centralized distribution. The possibility of loss of data becomes increase if security measurement is not used at various level of designing and use of data. The paper discusses security of data at various level of its use