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- Path functional dependencies 路径函数依赖
- Query evaluation improvement and approximate functional dependencies (AFD) are two important research topics in data query and management. 摘要查询评估和近似函数依赖是数据查询和管理中非常重要的两个研究方向。
- In the theory of relational database,a relation which satisfies precisely a given set of functional dependencies and its closure is called as Armstrong relation [1,2] . 在关系数据库理论中 ,称恰满足给定函数依赖集及其闭包的关系为Armstrong关系。
- It emerges and develop in the environment and the realization of value and function depend on the environment. 它在一定的环境中存在和发展，其价值和功能的实现程度受到环境的制约。
- Note: These functions depend on the locale settings of the server! 注意:这些函数依赖于服务器的地区设置。
- An inlining algorithm for mapping XML DTDs to relational schema is analyzed and studied.A mapping method with constraints and functional dependencies is proposed. 摘要 分析和研究了DTD模式到关系模式的内联映射算法，提出一种带约束条件和函数依赖的映射方法。
- Based on Windows 2000 Server and Winroute software, it uses limited resources to realize DNS service, path function, NAT function, visiting control, and safe administration. Over one year of running, the project was proved to be reliable and efficient. 该设计方案根据Windows2000Server的特点,结合使用Winroute代理软件,利用有限的资源实现域名服务器(DNS)服务、路由功能、NAT功能、访问控制、安全管理等,网络运行一年来,服务运行正常,网络的管理安全有效。
- This paper deals with the semantics of null values in functional dependencies in database theory, and presents three different definitions of FDs in a single relation with marked nulls. 本文研究关系数据库理论中空值在函数依赖中的语义问题,提出了带标志空值的关系中函数依赖的三种定义。
- We shall take a closer look at the concept of functional dependence. 我们将周密地考虑一下函数相关的概念。
- Given attribute set and minimum cover set of functional dependencies over one relational schema, a new method for designing normalized XML schemas based on schema graph is proposed. 在给定关系模式的属性集及其函数依赖最小覆盖集的基础上,提出一种基于模式图的规范化XML模式设计方法。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- She squelched along the muddy path. 她沿着泥泞小径格吱格吱地走。
- Based on the allocation model and shortest path functionality inherently available in GIS, a method for quantifying average trip distance from the distribution of road passenger stations is presented. 基于利用地理信息系统(GIS)的空间分配及最优路径功能，提出了对城市公路客运站点布局的出行效率进行定量评价的方法。
- Under the IMC structure, the sensitivity functions depend linearly on a design transfer function and this makes it easy to satisfy the internal stability condition. 本文使用内模式控制之设计架构，藉由设计之转移函数反推而求得系统之灵敏度函数，将可易于满足系统内部稳定之条件。
- He was destined to plod the path of toil. 他注定要在艰辛的道路上跋涉。
- Perform more functions depending on your testing program. 根据您的考试课程,执行更多功能。
- The path leads to a hill bare of vegetation. 这条小道通向一座没有草木的小山。
- Functional Dependencies and Inference Rules for XML XML函数依赖及其推理规则
- The path of civilization is paved with tin cans. 文明的大道，是铺满了空罐头。
- To solve the equations these functional dependences must be determined by empirical or other means. 为解这些方程，必须用经验的或其他的方法来确定这些函数的相关性。
