Budi Wahyu Mahardhika, K. Shankar, Ruly Artha Universitas Muhammadiyah Surabaya, Surabaya, Indonesia. E-mail: budi.wahyu.m@fe.um- surabaya.ac.id Department of Computer Applications, Alagappa University, Karaikudi, India. E-mail: shankarcrypto@gmail.com Anay Publication, Indonesia. http://www.anaypub.com Abstract In various domains for daily business transaction many companies are using a centralized database system in current age. From different locations In repository of centralized […]