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.
执行该动作需要有数据库模型文档。
通过写ejb3实体Bean设计数据库模型。
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
本文给出了一个时态数据库模型GT。
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.
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.
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.
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.
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.
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.
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.
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.
详细介绍并讨论基于角色控制的数据库模型和API模型的实现方法。
Detailed discussion is given regarding the implementation of models of RBAC database and API.
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.
采用关系数据库模型进行建模，对于同一关系框架上的数据定义了相似数据集。
A new definition of similar data set is proposed for some special data sets which have the same attributes in a relational database model.
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.
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.
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.
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.
在他看来，该问题是因为在定义数据模型时缺乏数学严谨性(一些数据库模型没有任何严谨性)。
The problem, from his point of view, was a lack of mathematical rigor in defining the data model (some database models had no rigor whatsoever).
给出了关系数据库模型的数学基本概念，如N元关系、N元有序组及N元有序组集合。
The paper introduced the basic conception of math of relation database model, N-ple relation, fordered N-ple and fordered sets.
利用一种对象模型与数据库模型的映射方法，完成了一个面向对象的关系数据库设计。
This article discusses a new mapped method of object model and database model, which has been employed to design an object-oriented relational database.
SQLAzure的基础是关系数据库模型、提供了对约束、事务、临时表以及存储过程的完整支持。
SQL Azure is based on the relational database model, complete with constraints, transactions, temporary tables, and stored procedures.
构建了结构与配置管理的一般数据库模型：并且提出了动态产品结构与配置管理的设计模型。
It builds a general database model of configuration management, and builds a dynamic product structure and configuration management model.
然后在此基础上设计出系统的数据组织模式，建立了基于关系数据库模型的土地分类数据库。
Then, the author works out the model of the data's structure of this system and set up database of classifying land that based on the model of relational database.
物理数据模型可以提供数据库实体的视图，您可以做出设计决策，然后在当前的数据库模型中实现这些决策。
The physical data model gives you a picture of your database entities and lets you make decisions, then execute them on your current database model.
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