- er模型
- （实体关系模型）：公司的实体、属性和关系的详细逻辑表示。
- 实体联系模型
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entity-relationship model中文什么意思
例句与用法
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- 12 chen p p . the entity - relationship model - toward a unified view of data
例如，定义一个问题归约范畴有所有的问题类组成。 - The entity - relationship model has gained acceptance in database design and is widely used in practice
实质-联系的模型已经得到数据库的接收设计并且广泛地被用于练习。 - The entity - relationship model and the object - oriented model are representatives of the class of the object - based logical models
实质-联系的模型和物件定向的模型是以物件为基础的合乎逻辑的模型类别的代表。 - The object - oriented model includes many of the concepts of the entity - relationship model , but represents executable code as well as data
物件定向的模型含实质-联系的模型许多观念,但是表现可运行的码和数据。 - Some authors draw a clear line between the design models , typically uml models or entity - relationship models which are supposed to be abstract , and the xml schemas which include lots of implementation details
一些作者在设计模型和xml模式之间划了一条清晰的界线，设计模型通常是uml模型或实体-关系模型，被认为是抽象的，而xml模式则被认为包含大量的实现细节。