relational database theory
英 [rɪˈleɪʃənl ˈdeɪtəbeɪs ˈθɪəri]
美 [rɪˈleɪʃənl ˈdeɪtəbeɪs ˈθiːəri]
网络 关系数据库理论
双语例句
- We can use relational database theory to implement Dualistic constraint database.
这样应用关系数据库的理论实现二元约束数据库。 - With the development of database theory, popularizing and reforming the classical relational database, we got the non-classical relational database theory.
跟着数据库理论的深入研讨和发铺，人们将经典关系数据库理论推广与改造得到了非经典关系数据库理论。 - Algebra-a core part of relational database theory.
系数，系数据库论核。 - The early classical relational database theory had played an important role in application.
早期的经典关系数据库理论，在数据库应用中施铺了巨大的作用。 - Tari etc. in 1997. In contrast to conventional normalization theory for relational database, the normalization theory for object-oriented database is mainly used for database conceptual design, and independent of database logical design.
同传统的关系数据库规范化理论的最大区别是面向对象规范化理论主要用于数据库的概念设计，与数据库的逻辑设计无关。 - The thesis presents the implement project of user database configuration which accords with relational database theory criterion.
本文在用户数据库组态的设计实现部分利用COM组件开发技术，给出了符合关系数据库理论规范的用户数据库组态部分的实现方案。 - The concept of relational database and the design theory of relational model were introduced and the application of relational model to a pest database of afforestation was expounded in terms of relational data framework, relational operation and relational standards.
介绍了关系数据库概念和关系模型的设计理论，阐述了关系模型中关系数据结构、关系操作、关系规范等在绿化植物有害生物数据库中的具体应用。 - This paper discusses the algorithm of hash bit array for duplication-remove in the relational operations of the DataBase Machine, develops this algorithm and analyses its performance, thus it makes a base for this theory in application research of DataBase Machine.
论述了数据库机中关系运算的哈希位阵列消除重复元组（消重）的硬算法，对其进行了改进，并且对其性能进行分析，从而为该算法在数据库机的应用研究奠定基础。 - In this paper we discuss a sythesis algorithm of designing relational database scheme inEKNF ( Elementary Key Normal Form) based on the theory of FD-graphs ( Functional De-pendence-graphs).
本文详细讨论了函数依赖图的原理及基于函数依赖图求解EKNF（基本关键字范式）的数据库模式的综合算法。 - The database structure design was also explained in the use of relational database and norm format theory.
运用关系型数据库和规范化理论对数据库结构设计进行说明； - Technology Redundancy and Relational Schema Resolving in Teaching of Database Theory
论数据库理论教学中的技术冗余与关系模式分解 - The method of system realization is studied. Dynamic design idea is introduced during database designing process on the base of relational database theory so that the level of material is unlimited and its sub-material could be added unrestricted.
论文研究了系统的实现方法，系统数据库设计时基于关系数据库模型，引入了动态设计的思想，不限制材料级数，用户可以无约束地添加材料基于web技术的工程材料数据库研究与开发的子材料。 - Secondly, according to the relational database normalization theory, the One-to-One marketing database is designed to provide data support to the soft by using some database optimization techniques.
接着，基于关系数据库设计的规范化理论，综合运用数据库设计的相关优化方法，完成了对OnetoOne营销数据库的设计，为软件提供了数据支撑。 - Research on null value is an important field in relational database theory; it does not only have important theoretical values, but also has great practical values.
空值的研究是关系数据库领域的一个重要研究方向，具有重要的理论价值和应用价值。 - This paper reviews the development of watermarking relational database, and outlines basic theory of digital watermarking and watermarking relational database, including the concept of digital watermarking, general models, the characters, attacks and the key issues solved by database watermarking.
本文概述了数据库水印的研究现状，并对数字水印和数据库水印的基本理论做了介绍，包括数字水印的概念、通用模型、基本特征、数据库水印应解决的关键问题、攻击等。 - In data persistence design, during the research, firstly object-oriented technology as well as relational database theory is discussed deeply, the mapping strategy between them have been paid more attention to.
在数据持久化设计方面，对面向对象技术与关系数据库理论进行了深入探讨，针对对象、关系的特点重点研究了它们之间的映射策略。 - So it is better to apply to the non-classical theory of relational database. This thesis focuses on the investigation and application of the probabilistic relational model in the non-classical theory of relational database.
本论文主要是对此类关系数据库模型中的概率关系模型进行的研究与应用。 - On the one hand, high efficiency is ensured in a mature relational database theory and technology support; on the other hand, mining tools and relational database system are seamlessly linked, so it becames more practical and convenient.
一方面可以使其在成熟的关系数据库理论与技术的支持下保证较高的执行效率，另一方面也便于挖掘工具与关系数据库操作系统的无缝衔接，使其更具实用性和便利性。 - System uses the relational database system using object-oriented database system theory for system data management, Dataset constitute a combination of XML documents.
系统采用本系统采用关系数据库理论的面向对象数据库系统进行系统数据管理，Dataset相结合XML文档构成。 - At the same time based on relational database theory and design methods, the library management system database structure and logical structure of conceptual design.
同时依据关系数据库理论与设计方法，对立达学院图书馆管理系统数据库进行了概念结构和逻辑结构设计。 - Relational database model was introduced by E.F.Codd in a series of his papers in 1970. Relational database theory are becoming more and more mature.
关系数据模型是由E.F.Codd于1970年开始发表系列论文提出的，关系数据库理论的研究逐渐趋于成熟。 - In the relational database theory, relational scheme decomposition is an effective way to eliminate redundant data and storage anomaly.
关系数据库理论中，关系模式的分解是消除数据冗余及存储异常的有效途径。