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
- rectangular matrix
- rectangular mesh
- rectangular method
- rectangular neighborhood
- rectangular net
- rectangular numbers
- rectangular parallel coordinate
- rectangular parallelepiped
- rectangular parallelopiped
- rectangular parallelopipedon
- rectangular partial sum
- rectangular partition
- rectangular potential barrier
- rectangular prism
- rectangular product
- rectangular projection
- rectangular property
- rectangular robot
- rectangular robot, Cartesian robot
- rectangular seal in two halves
- rectangular semigroup
- rectangular sequence
- rectangular solid
- rectangular source
- rectangular spherical triangle