The application software has been increasingly depending on the database now. This paper aims at the security challenges and problems that the database is constantly suffering. Here, it first analyzes the backup technology and the disaster recovery technology, describes the technical indexes of disaster recovery, and analyzes the layering technology of disaster recovery; secondly, analyzes the design principles of disaster recovery system in detail, describes four disaster recovery modes, and gives the design system of disaster recovery system; finally, provides the relevant instructions of the Oracle database and the core code connected to application software. This paper has a positive effect for the database engineers and security managers.
展开▼
