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词汇
prime attribute
释义
prime attribute
主属性
设A是关系模式R的一个属性,若A是R的某一候选键标的成分,则称A为主属性。反之称为非主属性。
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as per sample
asperse
aspersion
aspersions
aspersorium
as per usual
asphalt
asphaltic
asphaltite
aspheric
asphodel
asphyxia
asphyxial
asphyxiant
asphyxiate
asphyxiation
asphyxiator
aspic
aspidistra
aspirant
aspirate
aspirated
aspiration
aspirational
aspirator
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