理学 数据库系统 释 data dependency 数据依赖 关系数据库中同属一个关系模式的多个属性之间的约束关系。数据依赖在计算机科学中有多个含义，此处仅限于关系数据库中的数据依赖。
数据库 数据库理论 释文 data dependence 数据依赖
- negative crystal
- negative curvature
- negative curvature direction
- negative curvature manifold
- negative cycle
- negative definite
- negative definite form
- negative definite function
- negative definite kernel
- negative definite matrix
- negative definiteness
- negative definite operator
- negative definite quadratic form
- negative deviation
- Negative Dialectics
- negative difference between purchasing and marketing prices
- negative differential conductivity
- negative differential resistance
- negative direction
- negative dispersion
- negative distribution
- negative divergence
- negative domain
- negative dromotropic action
- negative edge