I'm glad I'm not bound to the relational data model.
所幸我不必局限于关系数据模型。
So just what is the relationship between XML and the relational data model?
那么XML与关系数据模型之间的关系究竟是怎样的?
The relational data model and use of the SQL language allows for enterprise level performance and scalability.
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 importance of order in XML contrasts sharply with the absence of intrinsic order in the relational data model.
XML中次序的重要性与关系数据模型中缺少固有次序形成了鲜明对比。
Just like SQL is a query language designed for the relational data model, XQuery is a language designed specifically to query XML data.
正如SQL是为关系型数据模型设计的查询语言一样,XQuery是专为查询XML数据设计的语言。
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 gives a dissolution algorithm on relational data model system which has a lossless join and remains function dependency as well.
给出了关系数据模式分解中,既有无损连接性又保持函数依赖的分解算法,并用该算法指导应用软件的开发工作。
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。
A fuzzy relational data model with fuzzy attributes, which could be used for truly modeling various fuzzy objects in the real world, is presented in the paper.
本文提出了一种属性具有模糊度的模糊关系数据库模型,它可用来描述现实世界中范围广泛的模糊对象。
Based on the concept of relation and sub-relation, this paper investigates the inherent meaning of traditional set operations for the nested relational data model.
本文提出的一个嵌套关系模型支持文本存储和文本检索操作,其中特征文件索引为文本检索提供了技术支持。
Three important conceptions-function dependence, normalization and dissolution of data scheme-are analysed. Their directive action for design of relational data model is pointed out as well.
避开复杂繁琐的数学推导,分析了关系数据库理论中的函数依赖,数据模式的规范化及其分解这三个重要概念,指出了它们对关系数据模型设计的指导作用。
The Object oriented model is built on methodology, while the relational data model is on basis of the set theory. The difference principal between the two models leads to the dispatch problem.
面向对象模型基于方法学原理,关系数据模型基于集合论原理,理论基础的不同导致了两种模型之间的阻抗不匹配。
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 Relational DAS will take this schema and use it to define the model for the Service Data Objects it can create.
关系型DAS采用此架构并使用它定义可以创建的服务数据对象的模式。
There is no need to specify a SQL statement for updates because the Relational DAS derives this from the model and the contact data object's change summary.
不需要为更新指定sql语句,原因是关系型DAS可以从模式和联系人数据对象的更改概要中派生它。
Much of the power of the relational model comes from the fact that the relational table is the single data structure that represents homogeneous collections of data.
关系模型的大部分功能都来自于这样一个事实:关系表是代表同质数据集合的单一数据结构。
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。
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。
JPA is a simplified programming model used for object relational mapping and data persistence.
JPA是一个用于对象关系映射以及数据支持的简化程序模型。
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。
An application's reliance on XML documents for data exchange and relational databases for data persistence are characteristics of the application's business logic (that is, its model).
应用程序依赖XML文件来进行数据交换以及关系数据库来提供数据永久性都是应用程序业务逻辑(也就是其模式)的特征。
Although this data could be stored in a relational database, it fits well with the documented-oriented model too, don't you think?
虽然该数据可以存储在关系数据库中,但也同样可以使用面向文档的模型。
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。
Plus, you would have to write additional code in the middle tier to map the relational data to an Object data Model or an XML data Model.
另外,必须在中间层中编写更多代码,将关系数据映射到对象数据模型或XML数据模型。
On the other hand, a physical data model is a database-specific model that represents relational data objects (for example, tables, columns, primary and foreign keys, and their relationships).
另一方面,物理数据模型是数据库特定的模型,它代表关系数据对象,例如表、列、主键、外键以及它们的关系。
Data will be stored in a relational database by default, but Oslo is not limited to the relational model.
默认情况下,数据会被储存在一个关系数据库中,不过Oslo不限于这种关系模型。
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。
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。
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)。
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。
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