1．　　了解备份设备的概念并掌握如何管理备份数据库保护包括数据库恢复，并发控制，数据库的安全性控制4个部分设备，掌握完全备份和还原的基本技术-1. Backup equipment understand and grasp the concept of how to manage database backup protection, including database recovery, concurrency control, database security control of four some of the equipment, master backup and restore fully the basic skills