移动计算环境下结构化存储查询优化算法的设计

移动结构化存储问题一直以来是移动PC产品研究的热点问题。为了更好地处理移动计算环境下断接等问题,采用多元连接的查询优化算法进行了设计。首先在理论上设计了改进算法在并行连接操作的优势及特点,同时利用Socket实现了移动Agent和服务器Agent的网络通信;并完成了移动环境下的无线网络模拟平台设计。实验结果表明改进算法传送到指定站点的集中装配消耗时间显著减少,在表属性列限制条件较多时,改进算法的总代价与普通算法相比明显要少,并行连接最多时改进的算法可以确保总代价最小。研究对移动数据存储的稳定性改进具有一定的意义。

Mobile calculation environment Xia structure of storage query optimization algorithm of design

Structured storage problem in mobile computing enviroments has been hot issues in research on mobile PC products.In order to deal with issues such as disconnection in mobile computing environment,this paper proposed a multiple connectionsquery optimization algorithm for structured storage.The main jobs are as follows,we proposed a new algorithm which improved advantages and characteristics for parallel connection operation, realized the network communication of mobile agent and Server Agent by using Socket,and Completed design of wireless simulation platform in the mobile environment.Experimental results indicate that the improved algorithm consumes significantly less assembly time setting to the specified site.When the property column in the table limits more, the total cost compared with the general algorithm is significantly smaller.And when the parallel connections at its peak,the improved algorithm ensured the total minimum cost.The Study has a certain significance on stability improvement of mobile data storage .