理学 数据库系统设计 释 functional dependency 函数依赖 数据库中一个关系中两组属性之间的约束。
数据库 数据库理论 释文 functional dependence, FD 函数依赖
- Web data integration
- Web data management
- Web data mining
- Web Design
- web design
- Web deviation rectifying device
- web diagram
- web dictionary
- web differentiation
- web drafting machine
- Web engineering
- Weber
- weber
- Weber crater
- Weber differential equation
- Weber discontinuous integral
- Weber equation
- Weber-Fechner law
- Weber formula
- Weber function
- Weber-Hermite differential equation
- Weber,Max
- Webern,Anton Friedrich Wilhelm von
- Weber number
- Weber-Sonine formula