LW Senior Architect

数据建模学习(四)-概念模型

2016-11-17
Wu Liu
LDM

overview

Model level and views summary

| Subject | Description | |:——–:|:———-:| |subject Area model | Shows an overview of the model with one entity for each subject area| |Conceptual Model|Shows the major entities without associative and without many subtype entities| |Detailed Level Model|Shows all entities in the Foundation model excluding some of the minor reference (lookup) tables.
Logical View names are preceded by the words “Foundation” and then with the subject area name (e.g. “Foundation – PARTY View”).
These are the larger foldout pages in the Chapter 17 | |Logical View Model|Shows a group of entities that form a business concept.
Logical View names are preceded by the word “Foundation”. These are shown in this guide.|

逻辑模型

建立模型纯粹为了以文档形式记录元素的规律和结构。


Comments