E-R Diagram 实体关系图 ; R图 ; 关系图 ; 体
The tradionary method for designing relation database table is to erect E - R diagram, and then tran mapped to database table.
对于关系数据库表的设计常采用的方法是建立E—R图，然后进行映射生成相应的数据库表。
Once you have your draft E/R diagram prepared, you can begin to analyze the relationships in more detail.
当你准备好你的实体-关系草图后便可以更详细的分析这些详细可以这些“关系”了。
Partially completed E—R diagram generation produces E—R diagrams from requirements analysis and specification documents.
初步E—R 图的生成阐述了从需求分析说明文档中的信息提炼E—R 图的方法。
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