The Database Design and Optimization

Database technology is one of the fastest growing areas of computer science, is also one of the most widely used technology, it has become the core of the computer information system and application system technology and the important basis. In this paper, we discuss all the important aspects of database design process, including requirements analysis phase; The conceptual design stage; The logical design phase; The physical design phase; Database implementation stage; Database operation maintenance phase six stages, and puts forward various problems occurred in the database design, and a variety of ways to solve these problems were analyzed.