本教程通过一个有趣的交互式游戏InformixDetectiveGame向IBM Informix11新用户介绍关系数据库概念。
This tutorial introduces new users of IBM Informix 11 to relational database concepts through a fun and interactive game called The Informix Detective game.
我们一旦在概念上完成这一飞跃，就会了解数据库的可扩展性是关系数据库的自然演变的一部分。
Once we make the leap in concept, it becomes obvious that database extensibility is part of the natural evolution of relational databases.
本教程通过一个有趣的交互式游戏向IBMDB2 的新用户介绍关系数据库概念，该游戏称为 DB2侦探游戏。
This tutorial introduces new users of IBM DB2 to relational database concepts through a fun and interactive game called The DB2 Detective Game.
在将对象保存到关系数据库中时，继承的概念中发生几个有趣的问题。
The concept of inheritance throws in several interesting twists when saving objects into a relational database.
管理这样一个关系在概念上同现代关系数据库技术中的关系建模相似。
The ability to manage such a relationship is similar in concept to relationship modeling in modern relational database technology.
为克服这种约束并最大化实现关系数据库系统的灵活性，DB2V9.5引入了全局变量的概念。
To overcome this restriction and to maximize the flexibility of a relational database system, DB2 V9.5 introduces the concept of global variables.
这可能是使用OODBMS最棘手的部分，因为对象数据库使用与关系数据库不同的一致性概念。
This is probably the trickiest part of working with an OODBMS because an object database USES a different notion of identity from a relational database.
RDQL的语法表面上类似SQL的语法，它的一些概念对已经使用过关系数据库查询的人来说将比较熟悉。
RDQL's syntax superficially resembles that of SQL, and indeed, some of its concepts will be familiar to anyone who has worked with relational database queries.
为了利用好本教程，您应该具有关系数据库方面的背景知识以及以下概念的基础知识。
For this tutorial to be useful, you should have background knowledge of how a relational database works as well as basic knowledge of the following concepts.
书的前言很好的介绍了MongoDB所涉及的概念，将这些新概念跟我所熟悉的关系数据库中的概念联系在一起。
The introduction does an excellent job of introducing the concepts behind MongoDB, bridging them to the relational database concepts I already know.
此模块将帮助学员理解关系数据库的相关概念。
This module will help students understand concepts related to relational databases.
给出了关系数据库模型的数学基本概念，如N元关系、N元有序组及N元有序组集合。
The paper introduced the basic conception of math of relation database model, N-ple relation, fordered N-ple and fordered sets.
系统实现“四库一体化”结构，提出全新的方法库概念和适合于大体量知识库的产生式规则法、框架法、关系数据库法结合的知识表达体系。
A new concept of method base and knowledge expressing system by combination of production rule method, frame method and data base method appropriate to big knowledge base was proposed.
其次，参考含有空值的关系数据库的理论，将不完全信息的概念引入到XML文档。
Next, referring to the theory of relational database with incomplete information, the concept of incomplete information is brought in XML document.
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。
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。
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.
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