当然，从来不直接对商业关系数据库环境中视图定义主键。
Of course, primary keys are never defined directly against views in a commercial relational database environment.
它可以保持其层次化性质，同时利用关系数据库环境的功能和稳定性。
It proudly maintains its hierarchical heritage, even while exploiting the power and stability of the relational database world.
它提供一个功能丰富的环境，包括表单和报告语言，可以轻松地开发关系数据库应用程序。
It provides a rich environment with forms and reports language for easy development of relational database applications.
在带有敏感数据的环境中，不仅需要屏蔽传统的关系数据库中的数据，还需要屏蔽可能用于测试场景的文本文件。
With the current environment of data sensitivity, there is a need to mask data not only in the traditional relational databases, but also in flat files that could be part of a testing scenario.
关系数据库服务——该WebService旨在简化云环境下关系数据库的搭建、操作和伸缩
The Relational Database Service - A web service that attempts to simplify set up, operation, and scaling of relational databases in the cloud
数据库设计是有效地实现关系数据库的关键，该门课程主要介绍如何建立数据模型，数据库的创建以及在商业环境下如何开发数据库。
Database design is crucial to effectively implement a relational database. In this course we discuss how to model data, database construction, and developing a database in a business environment.
LEAP是一个关系数据库管理系统，它越来越多的被广范围环境所使用。
LEAP is a relational database management system that is increasingly being used in a wide variety of environments.
如何以传统的分布式关系数据库技术为基础，构建适用于无线网络环境的移动数据库成为分布式数据库研究领域中一个重要的问题。
How to construct a mobile database based on traditional distributed database technologies, which can adapt the wireless environment, has been a key problem of distributed database researches.
以数据仓库技术思想为核心，研究在关系数据库和现有低资源环境下，设计基于多维数据管理的分布式数据库及信息管理系统。
The standard designs have been discussed. The data warehouse technique has been supplied and researched on data pre-process application. The logic structure and informa…
以数据仓库技术思想为核心，研究在关系数据库和现有低资源环境下，设计基于多维数据管理的分布式数据库及信息管理系统。
The standard designs have been discussed. The data warehouse technique has been supplied and researched on data pre-process application. The logic structure and informa…
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