Use these simplified analysis points to decide what to include and what to exclude in your final star model.
使用这些简化的分析问题来决定最终的星型模型中包含什么以及排除什么?
Whereas the traditional er model has an even and balanced style of entities and complex relationships among entities, the star model is very asymmetric.
传统的ER模型具有均匀且平衡的实体样式和实体之间的复杂关系,而星型模型却是完全不对称的。
However, the snowflake structure seems more complex and could tend to make the business users feel more uncomfortable working with it than with the simpler star model.
然而,雪花型的结构看起来更复杂,并且可能趋于使业务用户用起来感到不如更简单的星型模型舒服。
Most database designers do not consider the savings in space to be a major decision criterion in the selection of a modeling technique. This article will focus on the star model.
大多数数据库设计师都不将节省空间作为选择建模技术的主要决策标准来考虑。
In this approach, the methods of probability estimation and star model are used to evaluate the routing of nets.
这个方法用概率估计模型和星型模型来评价线网的走线。
Basing on the extended star model, We design logical and physical data model of OLAP and provide a solution to create OLAP data model having general interface of visiting data.
在扩展星型模型的基础上,设计了多维逻辑模型和物理模型,并给出了一种具有通用数据访问接口的OLAP模型生成方案。
Basing on the extended star model, We design logical and physical data model of OLAP and provide a solution to create OLAP data model having general interface of visiting data.
在扩展星型模型的基础上,设计了多维逻辑模型和物理模型,并给出了一种具有通用数据访问接口的OLAP模型生成方案。
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