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
- assembly processing simulation technology
- assembly process layout system
- assembly process planning system
- assembly process simulation
- assembly process system
- assembly quality control
- assembly reactions of cell metabolism
- assembly robot
- assembly site visualization
- assembly space
- assembly technology
- assembly test of system
- assembly time
- assembly tolerance analysis
- assembly tolerance design
- assembly tolerance synthesis
- assembly type
- assertion
- assertion of bankruptcy claims
- assertion sign
- assertive evidence
- assertiveness training
- assertive proposition
- assertive sentence
- assessed system of geological disaster in China