移动数据库同步复制和缓存的一种策略  

A Strategy for Synchronization and Caching in Mobile Database Systems

作　　者：俞劼[1] 杨金生[2] 

机构地区：[1]上海交通大学软件学院,上海200240 [2]上海交通大学计算机系,上海200030

出　　处：《计算机工程》2004年第B12期21-22,共2页Computer Engineering

摘　　要：根据移动数据库系统的应用特殊性,提出了一个基于数据表划分和优先级的移动数据库同步复制与缓存的策略.通过数据表的划 分,减少了所要传送的事务量和数据量;而使用优先级也减少了夭折事务的数据传输量,从而降低了对整个通信带宽的消耗。According to the speciality of the practice of mobile database system, a new strategy based on the partition of tables of database system and on the priorities of transactions and records is brought out. By the partition of tables, the communicating amount of transactions and data is lowered, and by using priorities, the communicating amount of the data of failure transaction becomes lower, so the consuming of the communication bandwidth will be used more effectively.

关 键 词：移动数据库 事务 数据表划分 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]