移动数据库关键技术的研究与分析  

Research and Analysis on the Key Technology of Mobile Database

作　　者：龚春红[1] 金敏[2] 

机构地区：[1]湖南财经高等专科学校,长沙410205 [2]湖南大学软件学院,长沙410082

出　　处：《科学技术与工程》2007年第9期1911-1915,共5页Science Technology and Engineering

摘　　要：移动数据库是传统分布式数据库系统的扩展,综合了分布式技术、数据库技术和无线通信技术等多门学科领域,能够支持移动用户数据访问要求。移动数据库系统结构主要由固定主机、移动支持站、移动计算机三部分组成。然后主要论述移动数据库的关键技术、数据复制与缓存、数据广播技术、位置相关查询、移动事务处理、移动数据库安全性等技术的研究现状和原理分析。Mobile database is the expansion of the traditional database, it has combined the techniques of distribution, database and radio communication. It can suppoort the mobile users＇request for data-visiting. The structure of the present mobile database system is introdueed which is mainly consists of three pans ： the fixed host, the mobile support station and the nobile computer. MeanwhiIe. the present researeh situation and principle analysis are doscissed of the mobile database＇ key techniques, data replication and eateh storage, data broadcasting, inquiry related to positions, nobile transaction processing, nobile database＇ security, etc.

关 键 词：移动数据库 复制 移动主机 事务 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]