A New Method for Consistency Maintenance in RTDB

Research and Design of RTDB in Industry Control

工业实时数据库的研究和设计

In terms of the system implementation, it introduces the system development environment, database structure, design implementation, by using SQL Server and the corresponding database technology to establish a secured and reliable back-end database as the system data source.

在系统实现方面，介绍了系统的开发环境、数据库结构设计实现，利用Sql Server及相应的数据库技术，建立安全可靠的数据库以作为系统的后端数据源。

NET technology is employed in researching and developing the system, which improves the safety of image data, makes the retrieval and access to image information convenient for users, and provides for all walks of life a reliable image database browser system.

NET技术，提高了图像数据的安全性，方便了用户快速地检索和存取图像信息，为各行各业提供了一个安全可靠的图像数据库浏览器。

Volume location server ( vlserver)& Maintains volume location database ( VLDB) to track all information about volumes and their location on a file server.

卷位置服务器（vlserver）&负责维护卷位置数据库（VLDB）来跟踪有关卷及其在文件服务器上的位置的所有信息。

The new system discarded the traditional decision support system with database as the center, optimizing decision support performance of the system. It showed that the decision for flood management was characterized by intelligence, distribution and group decision.

新系统摒弃了传统决策支持系统以库为中心的结构模式，优化了系统的决策支持性能，体现了防洪决策的智能性、分布性和群决策的特点。

The functionality students add to the system via the project is the ability to view a patient's test results and perform rudimentary decision support using the database.

经由专题，学生将新增系统功能：利用数据库查看病患测试结果以及支援初步的决策。

Thirdly, Structure and function of system are analyzed, and on this basis, various subsystems such as multi-screen visualization, emergency information input management, intelligent decision support, database management, rule base management and case base management subsystem are designed and implemented.

再次，对系统整体结构与功能进行分析，在此基础上设计与实现了系统的多屏可视化、事件信息输入管理、智能决策支持、数据库管理、案例库管理与知识库管理各个子系统。

The total design idea and principle foe database are expounded. Aerial ammunition support decision support system database is designed. 8.

对数据库设计的总体思想、原则进行了阐述，设计了航空弹药供应保障决策支持系统数据库。

Yangtze River Flood Control Decision Support System Database and Information Query System

长江防洪决策支持系统？&数据库及其信息查询系统

NET platform and By Brower/ Server ( B/ S), report forms query in one Decision Support Database System is designed and realized.

NET平台，用浏览器/服务器方式，设计与实现了一个决策支持数据库系统的报表查询。

Design and Realization of Report Forms Query in One Decision Support Database System

一个决策支持数据库系统中报表查询的设计与实现

System Electronic Chart ( SENC) is the direct source of data for ECDIS. Electronic Chart database of user format is the base of SENC.

系统电子海图（SENC）是电子海图显示与信息系统的直接数据来源，而用户格式的电子海图数据库是系统电子海图的基础。

As the basic of electronic chart application system, ECDB ( Electronic Chart Database) decides the function and performance of the system.

电子海图数据库是电子海图应用系统的基础，它决定了电子海图应用系统的功能和性能。

Taking the chart data of format S-57 as the source data, in this paper we utilize the database management system Oracle 9i to build up electronic chart database, and also accomplish quick searching for the SENC data through R-tree spatial index technology.

本文以S&57标准格式的海图数据为数据源，利用Oracle9i数据库管理系统，建立电子海图数据库，并借助R树空间索引技术，实现电子海图数据的快速检索。

This platform supports internet/ intranet and can realize the share of electronic chart database.

该平台支持Internet/Intranet，能够实现电子海图数据库的共享。

A Knowledge-Based Approach to Fuzzy Querying over Relational Database

一种基于知识的关系数据库模糊查询方法

First of all, this paper investigates research status of fuzzy relational database and properties of vague set, and then puts forward a generalized fuzzy relational data model on vague set ( VGFRDM) and a fuzzy database structured query language on vague set ( VFSQL).

本文首先探讨了模糊关系数据库的研究现状和Vague集的性质，然后提出了基于Vague集的广义模糊关系数据模型VGFRDM和基于Vague集的模糊数据库查询语言VFSQL。

A fuzzy relational database model with weighted fuzzy attribute values is presented and the concepts of semantic distance and fuzzy users' view are introduced.

本文首先提出了一种属性具有加权模糊值的模糊关系数据库模型，引入了语义距离及模糊视图的概念。

The results proves that the relational database converted into fuzzy relational database, the performance is very similar, and the feasibility is higher.

结果证明由关系型数据库转为模糊数据库后性能相近，可行性高。

Quotient Operators of Fuzzy Relational Database Based on the Semantics

一种基于语义的模糊关系数据库除操作