The above example showed how to create a blank physical data model, but what if you already have the database defined and you want to modify your design.
上面的示例演示了如何创建空白物理数据模型，但是如果已经定义了数据库，希望修改设计，那么应该怎么办？
This gives you the ability to validate the data model with business users before you actually perform any physical design.
这样就能够在进行任何物理设计之前，让业务用户检验数据模型。
You can easily create a logical data model that is derived from business requirements and transform that into a physical data model that reflects your database design.
可以从业务需求轻松地创建逻辑数据模型，并把它转换为反映数据库设计的物理数据模型。
From the physical data model File page, accept the default value for the data design project, specify ARCH_JKENT_HR_changes for the name for the physical model, and specify the database type.
在Physical Data ModelFile页面上，接受数据设计项目的默认值，指定CMERDADemo_HR_changes作为物理模型的名称，然后指定数据库类型。
Create a Physical Data Model with OLAP in the Data Design project above.
在上面的数据设计项目中通过OLAP创建物理数据模型。
A longstanding and common design pattern for data modeling is the division of the data model into three parts: a conceptual model, a logical model, and a physical model.
数据建模中一种常见并被长期使用的设计模式是将数据模型分为三部分：概念模型、逻辑模型和物理模型。
The final ERD (entity relationship model diagram) and system datum dictionary are given through data sheets normalization during logic design and physical design.
在逻辑设计与物理设计过程中通过数据规范化后得出最终的ER模型图并给出系统数据字典。
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。
The model is developed on the basis of physical analysis. Its parameters are related to some physical quantities, which are obtained from design data.
该模型是以物理过程分析为基础，其参数都是物理量，这些物理量来源于设计数据。
The paper from the concept, the logic, the physical level has carried on the model design of the data model and the granularity model, basically has completed the data warehouse design.
论文从概念、逻辑、物理层次进行了数据模型和粒度模型的设计，基本完成了数据仓库的设计。
This application show that the right application of the product physical model data may greatly shorten the developing time, improves the design efficiency and quality.
应用实例清楚地表明了产品物理模型的正确应用，可以极大地提高设计人员的工作效率和设计工作质量。
The paper finish building channel geographic information data base, through demand analysis, conceptual design, logic design, physical design, data base model building and a series of step.
通过需求分析、概念结构设计、逻辑结构设计、物理结构设计以及数据库模型的建立等一系列步骤，最终完成了航道地理信息数据库的建设。
The paper finish building channel geographic information data base, through demand analysis, conceptual design, logic design, physical design, data base model building and a series of step.
通过需求分析、概念结构设计、逻辑结构设计、物理结构设计以及数据库模型的建立等一系列步骤，最终完成了航道地理信息数据库的建设。
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