执行活动与管理、维护和操作相关。
Execute activities relate to administering, maintaining, and operating.
备份与恢复是数据库管理员维护数据库安全性和完整性的重要操作。
The database manager defends the database security and the complete important operation is the backup with restores.
这极大的方便了设备的操作与维修，减少管理和维护人员。
This greatly facilitates the operation and maintenance of equipment, reduce management and maintenance staff.
应用推荐