数据逻辑一致性 Data LogicaI Consistency 指数据在数据结构、数据格式和属性编码正确性方面，尤其是拓扑关系上的一致性。
逻辑数据模型的一般设计目标是正确性、一致性、非冗余和简单性。
The general design objectives of the logical data model are correctness, consistency, non-redundancy and simplicity.
这不仅省去了编写数据库控制逻辑的工作量，同时也保证了数据的一致性与正确性，从而降低了总的编程量。
This reduces the total programming effort by reducing the amount of effort spent in writing database control logic, while ensuring the consistency and validity of the data.
高级数据模型是所有业务主题领域以及业务的公共数据元素的一致性定义，从高级的业务视图到通用的逻辑数据设计。
The high-level data model is a consistent definition of all of business subject areas and data elements common to the business, from a high-level business view to a generic logical data design.
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