... Engage 进刀 Entity Subtype 实体子类型 Entity Type 实体类型 ...
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Subtype Entity 子类实体
Normalization decisions are finalized in the logical data model resulting in the final normalized representation of entity-to-entity relationships as well as supertype-to-subtype hierarchies.
规范化决定在逻辑数据模型中得以完成,并导致实体-实体关系与超类型-子类型层次关系的最终规范化表示。
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