Watermarking for security in database: A review

Digital multimedia watermarking technology was suggested in the last decade to embed copyright information in digital objects such as images, audio and video. However, the increasing use of relational database systems in many real-life applications created the need for database watermarking systems for protection of database. As a result, watermarking relational database systems is now merging as a research area that deals with the legal issue of copyright protection of database systems.Therefore, an evolution of watermarking has been started with Relational database. It all started with the first method proposed in 2002 by agrawal and kiernan for watermarking in relational database. Then there are so many methods have been proposed and implemented by many researchers. We are going to see the evolution of database watermarking for security in database in this paper.