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。
It bought from Lucasfilm the licence for construction toys based on the "Star Wars" films, and now makes dozens of complex Star Wars play sets (see picture).
乐高曾经从卢卡斯影业买下了许可权,设计了“星球大战”电影题材的玩具,现在已经制作了许多复杂的星球大战系列的玩具(如图)。
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。
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