YQL USES the familiar relational database model of tables and rows.
YQL使用人们熟悉的表格与行的关系数据库模型。
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。
DB2 cube Views is used to create multidimensional cube model on top of relational DB2 database.
DB 2CubeViews用来在关系型DB 2数据库上创建多维数据集模型。
The expressive power of XQuery is comparable to the criterion of "relational completeness" defined for database query languages, though no such formal standard has been defined for an XML data model.
XQuery的表达能力可以与为数据库查询语言定义的“关系完整性”标准相比，虽然还没有为XML数据模型定义这样的正式标准。
In the 1970s, the rigorous mathematical work of E. F. Codd and others created the now-ubiquitous relational database model.
年代，E . F . Codd与其他一些人通过严格的数学工作创造了现在无处不在的关系数据库模型。
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。
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。
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。
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。
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。
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。
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。
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。
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.
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。
In the application of the aforementioned theory, the design of database 's system model on DSS is elaborated, including data modeling, the choice and realization of relational database.
在实际应用中，详细论述了采用前述的建模方法进行决策支持系统数据仓库层模型的设计，包括数据建模、关系数据库选择及实现。
The paper introduces an Extended Relational Model Database System ERDB and a GIS based on ERDB. We mainly discuss the problems of expression of topology in GIS and recursive query.
本文介绍了一个扩展关系模型数据库系统ERDB和在该系统之上开发的一个GIS系统。
This article introduces the work stream in designing of object relation database, and mainly discusses the ways of mapping from the class model to the relational model.
介绍对象关系数据库设计的工作流程，讨论如何将类模型映射到关系模型。
Based on this model, this paper constructs two different kinds of medium relational database query languages: medium relational calculus and medium relational algebra.
给出了中介关系数据模型，在此基础上构造了两类不同的中介关系数据库查询语言：中介关系演算和中介关系代数。
The first step is to create an object model from the metadata of an existing relational database.
第一步是用现有关系数据库的元数据创建对象模型。
With XML as the common model, the uniform conversion instrument of isomerous database is set up through the reversible bidirectional conversion between relational database and XML.
以XML为公共模型，通过关系数据库与XML的可逆双向转换，建立异构关系数据源的统一转换工具。
In this paper, an interface model of the natural language is proposed, which is suitable to the query of relational database on MIS.
本文提出一种适用于管理信息系统中关系数据库查询的自然语言接口模型。
In the case of the relational database model, the conceptual view of the database is that of a collection of tables consisting of rows and columns.
在关系数据库模型下，数据库的视图是由行和列组成的表的集合。
Structure of the relational database the relational model is the basis for any relational database management system (RDBMS).
关系数据库的结构关系模型是任何关系数据库管理系统(RDBMS)的基础。
The mapping strategies from object model to relational database model are the core of object-oriented relational database design.
结合油气储运网络管理系统的一期工 程实践，对对象模型向关系数据库模式映射的策略进行了讨论。
The structure of knowledge base is build by the database of relational data model. In order to add rules and delete reduplicate rules, knowledge base has the function of addition, deletion and so on.
本文采用了基于规则的知识表示方法，并采用了关系型数据库建立本系统的知识库，知识库具有添加、删除等功能，实现规则的增加及重复规则的删除。
The structure of knowledge base is build by the database of relational data model. In order to add rules and delete reduplicate rules, knowledge base has the function of addition, deletion and so on.
本文采用了基于规则的知识表示方法，并采用了关系型数据库建立本系统的知识库，知识库具有添加、删除等功能，实现规则的增加及重复规则的删除。
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