Construction and protection of secure databases for the General Company for the distribution of petroleum products in Mosul

Abstract This paper aims to design a database and protecting it using Oracle Language and MD5 algorithm for encryption for the Oil Products Distribution Company (OPDC) in Mosul. The study assumes the possibility of establishing a scientific, applicable and secure database and protect it, in light of the OPDC data, organizational structure and information those internally certified. Three detectives on work: Oracle databases and Oracle language for structural and management of the data; the protection and the mechanism of action of secure cryptographic algorithm; the stages of the building for OPDC. The study reached conclusive results, the most important is that it could build databases and protect it. It has been tested and proven a successful operation in the demo application.