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- All you need to do is to generate the physical data model that corresponds to your conceptual data model. 唯一还需要做的事情就是生成与概念数据模型相对应的物理数据模型。
- The data model about management and application of machine tool based on Erwin software is built. A method to achieve physical data library is given. 利用Erwin软件对加工中心刀具管理与应用进行了数据建模 ,给出了获得物理数据库的方法
- Responsible for design, analysis, programming and physical data modeling. 负责程序设计,数据分析,项目开发以及数据建模。
- Whereas the conceptual model is largely independent of implementation details, the physical data model is tightly bound to the table structure and options available in a particular database application. 虽然概念模型在很大程度上独立于实施细节,但物理数据模型与特定数据库应用程序中的表结构和可用选项紧密相关。
- The insulation layer is extremely important to SOA because it allows transparency of database vendor products, OS platforms, information location, data format, and a physical data model. 这种隔离层对于SOA来说非常重要,这是因为它使得数据库厂商的产品、OS平台、信息位置、数据格式以及物理数据模型透明化。
- The next two levels of model abstraction, the logical data model and the physical data model (often referred to interchangeably) provide the details required by software developers to implement the objectives for the conceptual model. 在抽象概念中的另外两层，逻辑层和实体层(常被提到是可以互换的)则提供了软体开发者去实现概念层的目标中所需要的细节。
- synoptically introduces the object-oriented approach and UML;creates the CDM(Conceptual Data Model) and the PDM(Physical Data Model) based on ORACLE9i with PowerDesigner; 运用PowerDesigner建立了数据的概念模型和以Oracle9i为数据库系统平台的物理数据模型；
- Class is based on the XPath data model. 类基于XPath数据模型。
- A data model is a plan for building a database. 一个资料模型就是对建立一个资料库的规划。
- And this data model is described in XML DTD. 本文用统一建模语言描述了整个数据模型,给出了数据模型中几种重要类的文档类型定义。
- Its data model is the basis of DW of an ISC. 三是集成供应链节点企业数据库，并形成为集成供应链信息平台数据仓库提供基础数据的企业数据模型。
- Creates a new property for the built-in data model. 为内部数据模型创建一个新的属性.
- These are versions which did not include a physical data carrier. 这些版本没有包含物理数据载体。
- A UDM is constructed over one or more physical data sources. UDM构造于一个或多个物理数据源之上。
- Physical Data Model 物理数据模式
- The Order could be the root of another hierarchy in the data model. 订单可能是数据模型中的其他层次的根。
- The name of the table in the physical data source which contains the column. 物理数据源中包含该列的表的名称。
- The Catabase data model structure is shown in Figure 4. 如图4所示是该Catabase数据模型的结构。
- This SQL script will create the data model used in our example. 这个SQL脚本可以创建我们示例中使用的数据模型。
- This can intuitively reflect the relationship between various physical data. 从而能够直观地反应出不同物理量之间的关系。
