基于嵌入式系统的高效数据库设计与研究

【作者】 黄河；

【导师】 蒋泽军；

【作者基本信息】 西北工业大学 ， 计算机软件与理论， 2003， 硕士

【摘要】 作为移动计算、移动商务和信息电器的核心技术，嵌入式数据库管理系统是最近几年才兴起的一项新的数据管理技术。它以目前成熟的数据库技术为基础，针对具体的嵌入式设备与系统特点，结合实际应用需求，主要实现对嵌入式设备上数据的存储、组织和管理，以及同后台主数据源的数据交换。 本文作者参与完成了Simba EDBMS系统的开发工作。本文分析了嵌入式系统以及嵌入式数据库系统的特点和技术发展现状，并根据嵌入式系统的应用需求和嵌入式系统普遍特征指出：基于内存操作的嵌入式数据库性能的决定因素是系统运行时资源开销而非传统的数据I／O操作次数。在这个思想的指导下，本文重点考虑了基于内存的嵌入式数据库管理系统的体系结构，采用了有效的物理存储管理机制、查询处理和数据同步技术，并对关键部分的实现方式进行了详细讨论。更多还原

【Abstract】 As the core technique of mobile-computing,mobile-commerce and informative electrical appliances, The Embedded Database Management System appears recently which is a newly data management technology.The EDBMS which based on the mature technology of DBMS and aimed at the idiographic embedded system and device,implements the embedded system data store,data organize,data management and data exchange with the background data source according practical requirement.The author took part in the development of the Simba EDBMS and then finished this thesis. The particularity and the advanced technology of the embedded system and EDBMS are introduced firstly. The author point out that the capability of EDBMS is decided by the spending of system resource but not the traditional number of I/O operation according to the peculiarity of embedded system and the appliances requirement. In the paper, the system architecture of the EDBMS based on the EMS memory is pinpointed. Those pivotal techniques in the development of the system, including the physical memorizer management,query process,data synchronization and other technology are further discussed.更多还原