什么时候我应当使用Native-XML数据库系统，而什么时候应当使用关系数据库系统呢？
When should I use a Native XML Database System or a Relational Database System?
分布式数据库系统可以看作是一系列集中式数据库系统的联合。
Distributed database system may be regarded as a series of union of centralized database system.
分布式数据库系统虽然基于集中式数据库系统，但却有一定的特色和理论基础。
The distributed database system has its own characters and theory, though it was based on the centralized database system.
第二部分从理论上讨论了动力大地测量网络数据库系统的基础知识和数据模型，研究了网络数据库系统的特点、工作模式以及主要技术。
The second part discussed the theoretical knowledge and data models of DGNDBS; studied the feature, work model and main technique of the network database system.
本文针对嵌入式系统的应用环境和实时数据库系统的数据特征，通过对各种存储器性能的比较，提出了嵌入式实时数据库系统的存储体系结构。
In this paper, we propose a storage architecture for an embedded real time database system according to the data character of real time application and the performance of the storage media.
如何保证数据库系统的数据完整性是数据库系统的一个重要课题。
How to insure data completeness of data base system is a important subject of data base system.
分布式对象构造技术是实现分布式数据库系统的基础，而数据库访问技术是开发分布式数据库系统的关键。
Distributed object construction technique is the foundation to achieve distributed database system function, and the technique of accessing database is the key to achieve distributed database system.
首先介绍了大型数据库系统的定时机制原理，然后阐述了用数据库系统实现定时控制的优势。
This paper introduces the principle of timing control based on large database management system, and describes its superiority.
二级演绎数据库系统是一种结合一般数据库系统与PROLOG系统特点的演绎数据库系统，它分为数据库级和推理级两个不同的层次。
Two-level deductive database system is the amalgamation of conventional database and PROLOG system, which is divided into two levels: database level and inference level.
文章通过对现有GIS中空间数据库系统模型的分析与比较，提出了一个适用于智能化空间决策支持系统(SDSS)的空间数据库系统模型。
This paper analyzes the current Database Systems in GIS, then a new Spatial Database System Model (SDB-SM) is introduced, which adapt to intelligent Spatial Decision Support System (SDSS).
数据库系统中各类用户对数据库的各种操作请求，均由DBMS完成，它是数据库系统的核心软件。
In the database system each kind of user to the database each kind of operation request, completes by DBMS, it is the database system core software.
经过对数据库系统的分析，采用关系数据库作为用户管理的数据库类型，进行分布式数据库系统的构建。
After analysis of database system, relative database was chosen as database type to build the distributed database system.
本文在本实验室所开发的新一代分布式数据库系统——数字有机体数据库系统的基础上，设计并开发了一种针对数据库的搜索引擎。
This paper has designed a database search engine based on Digital Organism database System, which is a new generation of distributed database developed by our research office.
运用关系数据库系统(rdbs)实现技术可以有效地解决OODB领域的许多问题，使得OODB无论从语义上还是效率上都有可能成为最有前途的数据库系统。
Can effectively solve a lot of problems in the area of OODB with the realizing technology of relation database system (RDBS), which likely make OODB, from either the apparent meaning or the...
结合列存储数据库系统与稀疏数据自身的特点，本文提出了一种列存储数据库系统适宜存储稀疏数据的观点，并给出稀疏数据库的设计方式。
Through analyzing the characteristics of sparse data, we conclude that it's suitable for column-oriented database to store sparse data and give the method of how to design sparse database.
针对网络数据库系统不断遭受攻击，而现有的各种安全技术，对数据库系统的安全保护还非常有限。
The network database system is continuously intruded by all kinds of attacker, however the existing security technologies couldn't give protection very well to database system.
数据库系统的可靠性是数据库系统的重要性能指标，数据库容错和故障恢复是大型数据库必备的功能。
The reliability of data base system is its important function guideline. Data base fault tolerance and breakdown recover are the necessary function in large data base.
信息时代的到来导致要存储和处理的信息的信息量和复杂度急剧增长，原有的数据库系统很可能不能满足需求，把它升迁到一个更合适的数据库系统是一个很好的方法。
The coming of information age causes the increasing of information. Former database systems may not meet the requirement, upsizing them to some better database system is a good method.
信息时代的到来导致要存储和处理的信息的信息量和复杂度急剧增长，原有的数据库系统很可能不能满足需求，把它升迁到一个更合适的数据库系统是一个很好的方法。
The coming of information age causes the increasing of information. Former database systems may not meet the requirement, upsizing them to some better database system is a good method.
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