This is particularly useful if you'd like to present your SQL application programmers with a relational model of your native XML data.
如果要为SQL应用程序的程序员提供本地XML 数据的关系模型，那么这种功能特别有用。
Since there is no standard meta-model of a relational schema, and again for the sake of simplicity, we have decided to define our own meta-model based on EMF, which we'll call SimpleRDB--see Figure 2.
由于没有关联计划的标准通用模型，而且还是为了简单起见，我们决定基于EMF来定义我们自己的通用模型，我们称它为SimpleRDB见图2。
Mapping XML data to the relational model is not a trivial task (maybe one of the reasons for the variety of mapping solutions in the market).
将XML数据映射到关系模型不是一件普通的任务(这也许就是市场上存在多种映射解决方案的原因之一)。
A primary key is a special thing in the relational model: It must be unique to each record (row) of a table.
在关系模型中主键是特殊的事物：它对于表的每个记录(行)必须是唯一的。
This data model represents a common scenario in which portions of XML data are often shredded into a relational structure.
这个数据模型表示一个常见的场景，在此场景中，XML 数据的一些部分常常被分解到关系结构中。
Object relational mapping refers to the technique of mapping the data representation from an object model to a relational data model with a SQL-based schema.
用基于 SQL 的模式可以把数据呈现从对象模型映射到关系数据模型，对象关系映射引用了这项技术。
We further illustrate the simplicity of the programming model promoted by SDOs with examples of access to an XML file service and to a relational database.
我们使用访问XML文件服务和关系数据库的例子来进一步说明由SDO推动的编程模型的简单性。
Why not just model the data as a document, which doesn't necessarily fit into a rigid relational model but roughly follows the semantics of a high-level model?
为什么不将数据建模为文档呢？这样可以不用死守严格的关系模式，而只需要大致遵循高级模式的语义。
Instead of designing a normalized relational model, application developers are encouraged to put redundant information into each row for easier retrieval.
为了便于检索应用程序，开发人员被鼓励将冗余信息放入每一行，而不是设计规范化的关系模型。
This data model represents a common scenario in which portions of XML data are often "shredded" into a relational structure.
这个数据模型代表一个典型的场景，其中XML 数据部分被 “分割”成关系结构。
It's quite common to put data that would reside in tens of relational-model tables into a single XML document type.
将原本应该驻留在几十个关系模型表中的数据存储到一个XML文档类型中的做法是十分常见的。
I'll begin with a comparison of the XML model and the relational model, as Table 1 shows.
首先来比较xml模型和关系模型，如表1所示。
While I could model the notion of employment using a field in the Person type, that's a relational approach and doesn't fit well within the object-design scenario.
我会用Person类型中的一个字段来模拟雇佣的概念。这是一种关系方法，而且不太适合用于对象设计。
One major advantage of the relational model is that, if a database is designed efficiently, there should be no duplication of any data; helping to maintain database integrity.
关系型数据库的一个主要优点是：如果数据库设计的很有效，将不存在数据的冗余，这有助于保证数据库的完整性。
As the first component, define a Zero Resource Model (ZRM) -which is equivalent to a relational database table, but provides numerous services on top of it.
作为第一个组件，定义一个ZeroResourceModel (ZRM)—这等同于一个关系数据库表，但在表上提供各种服务。
As a component of InfoSphere Warehouse, Cubing Services provide all the tools you need to design, deploy, and administer a multidimensional model of your relational data.
作为InfoSphereWarehouse的一个组件，CubingServices提供设计、部署和管理关系数据的多维度模型所需的所有工具。
This relational model of the paths between the main work areas of the kitchen describes a triangle between storage, preparation with cleaning and the cooking area.
这个关于厨房主要工作区域之间的路径的思维模式指的是介于储备、准备及清洗和烹饪之间的三角地带。
In order to improve on the low evaluation precision of the grey relational analysis model, the entropy theory was integrated with the grey relational analysis method to establish a new model.
为了改进灰色关联分析模型评价精度低的缺点，将熵值理论与灰色关联分析方法相结合，建立起基于熵权的灰色关联分析模型。
NHMDB is a multimedia database system based on the extended relational data model and has the characteristics of object-oriented databases.
NHMDB是基于扩充关系数据模型的多媒介数据库系统，它以扩充关系为基础支持面向对象的主要特性。
A relational network DEA model is developed in this paper under the assumption of variable returns to scale.
在规模报酬可变的假设条件下，构建了链形系统的关联网络DEA模型。
A work flow model, simplified according to the character of governmental document working curse, is set up on relational database.
根据公文流转的特点，对工作流模型进行了简化，并将这个简化模型建立在关系型数据库中。
A new double relational filtering model is constructed using two wavelet groups to enhance the filtering constraints of the geophysical and geochemical data.
构建了一个考虑两个子波群，增加信息约束条件对研究区物化探信息进行滤波的新模型—双子波关联滤波模型。
Base on the theory of grey system, a new decision method, a grey relational decision model, is proposed and used to then multipurpose reservoir flood control operation.
以灰色系统的灰关联决策为理论基础，针对洪水调度的特点，提出了一个切实可行的多目标水库洪水调度的灰关联决策模型。
This paper presents how to exploit the application program of a Relational Model Database, and how to use the Relational Database on environmental testing.
介绍了一个关系模型数据库应用程序的开发以及该数据库在环境试验中的应用。
Based on the fuzzy relational model of the open-loop system, the design of a fuzzy feedback controller is discussed.
以开环系统模糊关系模型为基础，讨论了模糊关系系统反馈控制器的设计。
An general item bank is designed for on-line examination. According to the demands of the canonical item bank design, a relational database model is designed.
设计了一种适合于在线考试系统的通用试题数据库，根据规范数据库设计的要求，设计了试题库的关系模型。
This article discusses a new mapped method of object model and database model, which has been employed to design an object-oriented relational database.
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。
A new definition of similar data set is proposed for some special data sets which have the same attributes in a relational database model.
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。
Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
Making deep analysis of grey relational degree and devising a relational matrix, it presents a grey relational assessment model to analyze learning capability of an enterprise.
应用灰关联分析方法，设计了组织学习力影响因素关联矩阵，提出了一个分析组织学习力的灰关联评估模型。
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