relational model
英 [rɪˈleɪʃənl ˈmɒdl]
美 [rɪˈleɪʃənl ˈmɑːdl]
网络 关系模型; 关系模式; 关系数据模型; 关系模型概念整理; 关联模型
双语例句
- Semi-structured data refers to data with some form of structure but not enough structure to fit gracefully into a relational model.
半结构化数据是指带有某些形式的结构但是结构还不足以完美地适合关系模型的数据。 - Some of these developments have influenced the course of the relational DBMS, resulting in extensions to the relational model such as multivalued data support and explicit support for unstructured and semi-structured data in the database.
这些开发中有一些影响了关系型DBMS的进程，引发了关系模型的扩展，比如数据库中的多值数据支持和对非结构化和半结构化数据的显式支持。 - Today, the most common model is the relational model with the SQL standard.
目前，最常见的模型是采用SQL标准的关系模型。 - The use of these languages has been extended to the relational model.
这些语言的使用已经扩展到了关系模型中。 - Sequential numbers are often used in OLTP-like applications to generate primary keys required by the relational model.
连续数字在OLTP类应用程序中常常用于生成关系模型所需的主键。 - 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。 - 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。 - They are relational databases that provide the strengths of the relational model and its set processing.
这两种都是关系型的数据库，因而包含了关系模型及其集合处理的长处。 - The core approach of this article is a step-by-step tutorial that illustrates how to write rules for a concrete example: a UML ( Unified Modeling Language) to Relational model transformation.
本文实际上是一个阐明如何为一个具体例子书写规则的循序渐进的指南，而这个具体例子是指从一个UML（统一建模语言）转变为关联模型。 - 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。 - It's very different from managing according to the traditional relational model.
它与依据传统的关系模型来管理数据有很大区别。 - To understand how these products reached such prominence, we must first look at why the relational model became dominant in the industry.
要了解这些产品是如何崛起的，我们必须先看一看关系数据库为何成为了该行业的主导。 - In recent years, we have seen a growing interest in database management systems that differ from the traditional relational model.
近几年来，我们已经看到不同于传统关系模型的数据库管理系统越来越受欢迎。 - The situation is similar to what you'd see in JDBC client code, wherein the API applies directly to the relational model.
这种情况与JDBC客户端代码相似，其中API直接应用到关系模型。 - Example: a UML to Relational model transformation
例子：一个UML到关联模型的转换 - Object relational model is interface that can provide functional and data store between us, and can solve the problem of mismatched.
对象关系模型可以在两者之间建立一个提供操作功能和数据存储的接口界面，解决两者之间的不匹配问题。 - An Ability-Course Relational Model and Its Application in Undergraduate Engineering Programs
应用型生物工程本科微生物学课程群教改刍议本科工程教育的能力与课程关系模型及其应用 - OSWorkflow has a simple relational model and by using Pentaho you can create a portal, call a BAM ( Business Activity Monitoring) portal.
OSWorkflow有一个简单的关系模型，通过使用Pentaho，您可以创建一个BAM（业务动作监控BusinessActivityMonitoring）portal。 - To build the relational model between fundamental characteristics of travelers and trip mode choice, effective measures that impact and guide urban trip mode structure have been studied.
建立出行者基本属性与交通方式选择的关系模型，研究影响和引导城市交通方式结构的有效措施。 - 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。 - Application Research in the Field of ODL Performance Analysis of Variable Precision Rough Set Based on Relational Model
可变精度粗糙集模型在远程开放教育中的应用 - The Research on Storing XML Data Based on General Relational Model
基于通用关系模式的XML数据存储模型研究 - A study of EDM technological database based on relational model
基于关系模型的电火花加工工艺数据库的研究 - The DBHM model from top to bottom includes representation layer, logic layer and storage layer, which correspond to navigation model, object model and relational model respectively.
DBHM模型由上至下包括表现层、逻辑层、存储层等三个层次，各自对应于导航模型、对象模型以及关系模型。 - The SDS team added recently a familiar SQL Server relational model which is based on existing SQL Server APIs and tools.
最近SDS小组增加了一个熟悉的SQLServer关系模型，它基于现有的SQLServerAPIs与工具。 - A learning algorithm based on Lyapunov stability is derived to fuzzy relational model identification in this paper.
本文在李雅普诺夫稳定性意义下，提出了一种辨识模糊关系模型的学习算法。 - The logical structure of data in a data base. The three best known models are the hierarchical model, the network model, and the relational model.
数据库中数据的逻辑结构，最常用的三种为层次模型、网状模型和关系模型。 - Relational model of data for large shared data
大型共享数据的关系模型 - Research on Constraint Relational Model of Non-Classical Relational Database in Query Optimization
非经典关系数据库中约束关系模型在查询优化中的应用 - The University students comprehensive assessment system based on object relational model were discussed and this system has proved feasible in practice.
结合大学生综合测评系统设计模型进行讨论，该系统在实践中被证实有良好的可用性。