Maintaining the consistency in distributed database system is a basic requirement.
保持数据的一致性是应用分布式数据库系统的一个根本要求。
Distributed database system may be regarded as a series of union of centralized 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。
This paper presents a new algorithm which is useful to concurrency control of distributed database system.
针对分布式数据库的并发控制提出了一种新算法。
A distributed database system which is based on existed centralized medical image database system is designed.
本文设计实现了一个分布式的医学图像数据库系统。
In a secure distributed database system, information inconsistency often exists, thus gives rise to inference channel.
安全分布式数据库系统中，常会出现信息不一致现象，由此产生推理通道。
Second, it introduces the related theory of the distributed database system and software engineering used in the project.
接着介绍了在系统开发中用到的分布式数据库技术的理论和软件工程理论；
The distributed database system has its own characters and theory, though it was based on the 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。
After analysis of database system, relative database was chosen as database type to build the distributed database system.
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。
This paper brings forward a design scheme of distributed database system based on object service and presents its working principle and design thought.
提出了一种基于对象服务的分布式数据库系统的设计方案，介绍了其工作原理和设计思想。
This paper designed and realized a distributed database system of the urban electromagnetic environment and the distributed query processor in the system.
本文设计和实现了一个分布式的城市电磁环境数据库系统以及系统中的分布式查询处理模块。
The developed distributed database system has become one of the important parts of the management-control integrating for production line continuous process.
所建立的系统已成为生产线过程的管理控制一体化的重要组成部分。
As distributed database system is not a simple combination of network technology and centralized database, it needs to achieve in a suitable system framework.
由于分布式数据库系统并不是网络技术与集中式数据库的简单结合，需要在合适的系统架构上实现。
On a wide area network, fragment allocation is a major issue in distributed database design since it concerns the overall performance of the distributed database system.
在广域网中，片段分配是分布式数据库设计中的一个主要问题，因为它关系到整个分布式数据库系统的性能。
With the wide application of the internet and the distributed database system, it has become more important to guarantee data consistency of multi-database for system to run reliably.
随着互联网和分布式数据库系统的广泛应用，如何保证多个数据库之间的数据一致已成为系统可靠运行所要解决的重要问题。
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.
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。
Users of a federated database system can pose distributed queries over data stored anywhere in the federated system, regardless of its location or the SQL dialect of the data source.
联邦数据库系统的用户可以对存储在联邦系统中任意位置的数据进行分布式查询，不管自己的位置在哪里，也不管数据源使用的是哪种SQL方言。
It's a distributed memory caching system which Facebook (and a ton of other sites) use as a caching layer between the web servers and MySQL servers (since database access is relatively slow).
它是一个分布式的内存缓存系统，Facebook(包含其他很多网站)用它作为Web服务器和MySQL服务器之间的缓存层(因为数据库访问相对比较慢)。
Memcached is used by many large sites to cache various objects in a distributed memory system, rather than having to read from disk or a database.
许多大型站点都使用memcached在分布式内存系统中缓存各种对象，这样就不需要从磁盘或数据库读取它们。
The distributed data query is the core of the distributed database managing system, but the optimized query algorithm is the key technology in query processing.
分布式数据查询是分布式数据库管理系统的核心，而查询优化算法又是查询处理中的关键技术。
This paper analyzes the function characteristics and structure of the distributed real-time database, data object and transaction's type in industry monitor&control system.
分析了工业监控系统中的分布式实时数据库的的功能与特点、结构、数据对象和事务的种类。
For example, depending on a finalizer to release a persistent lock on a Shared resource such as a database is a good way to bring your entire distributed system to a grinding halt.
例如，依赖一个终结方法来释放一个共享资源，例如数据库，的持续锁，很容易引起整个分布式系统突然当掉。
Although some technique and ways to query in centralized database system can also be used in distributed one, there are basic differences between them in terms of scale and factors of databases.
尽管在分布式处理中也使用某些集中式查询处理中的技术和方法，但就其问题的规模和优化的因素，都与集中式查询处理有质的不同。
Query optimization: the goals of query optimization in distributed data integration system are different from those in traditional database system.
查询优化：分布式数据集成系统查询优化的目标与集中式数据库有所不同。
As an important part of a distributed monitoring and diagnosis system, history database system is the signal sources of the fault diagnosis and condition analysis.
历史数据库系统作为分布式监测诊断系统的一个重要组成部分，为故障诊断、工况分析提供信号来源。
The MIS design is detailed in distributed database design, distributed function design and system security design.
从MIS系统的数据库、功能、系统安全分布式设计三个方面分别加以阐述。
The design flow is as follows: design of distributed spatial database, design of interface for the system, design of application servers and design of clients.
系统原型设计按照空间数据库设计、系统接口定义、应用服务器设计、分布式对象实现和客户端设计几个步骤进行。
This paper mainly introduces the application of distributed database based on GIS in telecommunication circuit resource management system.
本文详细阐述了基于GIS(地理信息系统)的分布式数据库在电信线路管理方面的应用。
As a typical distributed computer system, the distributed database application in Intelligent Building's OAS is one of the key fields in the researches.
作为一个典型的分布式计算机系统，智能大厦OAS中的分布式数据库应用是系统研究的关键问题之一。
The distribution of transactions and unpredictability of transaction triggering make the transaction schedule more difficult in distributed active real-time database system (DARTDBS).
事务的分布性和事务触发的不可预测性使得分布式主动实时数据库系统中的事务调度变得较为复杂。
The distribution of transactions and unpredictability of transaction triggering make the transaction schedule more difficult in distributed active real-time database system (DARTDBS).
事务的分布性和事务触发的不可预测性使得分布式主动实时数据库系统中的事务调度变得较为复杂。
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