这个库模型的结构如图5所示。
执行该动作需要有数据库模型文档。
确定要实现的数据库模型。
您必须在xsd库模型中包含一个参考。
这样使得在关系数据库模型中导入外键更方便。
This makes importing foreign keys easier in relational database models.
将项目的源模型合并为一个逻辑数据库模型。
Merges the source models of the project into one logical database model.
使用需求、设计、数据库模型，而不只使用文档
Use models of requirements, design, and database, not just documents
通过写ejb3实体Bean设计数据库模型。
这是另一个方面如何数据库模型是抽象的代码。
This is another aspect of how the database model is abstracted from the code.
YQL使用人们熟悉的表格与行的关系数据库模型。
YQL USES the familiar relational database model of tables and rows.
数据库模型：包括SOA使用的数据库的实体关系图。
Database model: Includes an entity relationship diagram for the databases the SOA USES.
这是将对象模型映射到关系数据库模型的一种典型框架。
This is typical of frameworks that map object models to relational database models.
所以为了管理目的，应该访问数据库模型和它的数据库表。
So the database model and its tables should be easily accessible for administration purposes.
数据库模型：封装供此特定项目使用的逻辑和物理数据设计。
Database model: Encapsulates a logical and physical database design for this specific project.
目前普遍使用的基于图层的空间数据库模型存在许多问题。
Layer based spatial database model is widely used now, which consequently causes some difficult problems.
下面对一个物理数据库模型和一个已经实现的数据库进行对比。
Take an example of comparing a physical database model with a database that is already implemented.
利用合理的方法构造数据库模型是建立良好数据库的重要手段。
Applying a reasonable modeling method is an important means to create a database model for a good database.
我们的数据库模型是为了介绍将在本文中讨论的三个不同策略而设计的。
Our database model was designed to cover the three different strategies we'll discuss in this article.
设计与构建：业务、设计和数据库模型的完成和变更情况；代码开发情况。
Design and construction: Completion of, and changes to, business, design, and database models; code development.
优化钻井知识库系统的研究与开发关键在于系统及其知识库模型的建立。
The focus on the research and development of knowledge base system on drilling optimization was to establish its knowledge base modeling.
关系数据库模型和SQL语言的使用必须考虑到企业级性能和可伸缩性。
The relational data model and use of the SQL language allows for enterprise level performance and scalability.
结构化有效载荷允许单个基于LEXS的IEPD扩展和定制lexs库模型。
The structured payload allows individual LEXS-based IEPDs to extend and customize the LEXS base model.
可以创建流程目录或者文件夹，帮助您组织流程、任务、服务和存储库模型元素。
You then create process catalogs, or folders, that help to organize process, task, service, and repository model elements.
根据工艺设计知识库的开放性要求，提出了一个基于开放式结构的层次化知识库模型。
According to the openness of process planning knowledge base, this paper proposes a hierarchy knowledge base model based on open structure.
因为它们是源驱动的，所以源数据模型可以用于协助仓库数据存储库模型的完全开发过程。
Because they are source-driven, the source data models can be used as AIDS in the process of fully developing the warehouse data repository models.
范例模型的新版本的来临，可能会触发新特性的广泛使用，因此影响到所有的储存库模型。
The arrival of a new version of the exemplar models may trigger widespread propagation of the new features, thus affecting all repository models.
许多数据库技术都能够提供一种集群化的数据库模型，允许对同一个数据库提供更多的容量。
Many database technologies have the ability to provide a clustered database model that allows more capacity to be provided against the same database.
在Initiatehub内部署的域模型并不能简单地1：1映射到一个关系数据库模型。
A deployed domain model in an Initiate hub is not simply mapped 1:1 onto a relational database model.
您会发现Node - Arc - Node关系(三元组)比关系数据库模型更易于理解。
You may find Node-Arc-Node relationships (triple) easier to understand than relational database models.
这些都是业务概念，数据库模型、软件程序以及供经理和业务伙伴们阅读的文档中都用到了它们。
These are business concepts and they have been used in the database models, in the software programs, and in the documents that are read by managers and business partners.
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