The article put forward the attribute dependency theory based on functional dependency theory, elaborated the definition of the attribute dependency theory, and proved related theorem.
以函数依赖理论为基础，提出了属性依赖理论，阐述了属性依赖的有关定义，证明了相关定理；
The article put forward the attribute dependency theory based on functional dependency theory, elaborated the definition of the attribute dependency theory, and proved related theorem.
以函数依赖理论为基础，提出了属性依赖理论，阐述了属性依赖的有关定义，证明了相关定理；
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