It is discussed in the paper how to check and adjust the security level of the attributes of the multilevel relation database in the point of FD.
文章以数据库中的函数依赖来检查多层关系数据库的各个属性的安全等级，并在此基础上调整各个属性的安全等级，以保证数据的安全性。
How to adjust the irreconcilable contradiction between security performance and processing performance is increasingly drawing attention.
如何调节安全性能和处理性能这一不可调和的矛盾，正日益引起重视。
The author introduces the Chinese Biz Serial Database, a reference tool to reveal information of security market activities in an adjust, fair and open way.
介绍中国证券监督管理委员会为披露证券市场信息，以保证证券市场活动符合公开、公平、公正性原则而建立的《中国财经报刊数据库》。
Before the rollers and adjust to screw so that the roll from the direction and avoid refined rubber machine increases the damage of the frame rollers or act as a security role.
前辊筒便向调整螺杆方向移动，使辊距增大而避免炼胶机辊筒或机架的损坏，起到安全的作用。
Before the rollers and adjust to screw so that the roll from the direction and avoid refined rubber machine increases the damage of the frame rollers or act as a security role.
前辊筒便向调整螺杆方向移动，使辊距增大而避免炼胶机辊筒或机架的损坏，起到安全的作用。
应用推荐