【摘要】 通过对集中式数据库和分布式数据库的比较,指出了数据分片与分配是设计分布式数据库重要环节,给出了数据分片与分配的目的、原则以及方法,分析了数据分布的透明性,对分片与分配之间的关系予以简要说明,最后介绍了在分布式数据库设计中分片与分配产生的问题。更多还原

【Abstract】 This paper compares distributed database with centralized database and indicates data fragment and allocation is the important aspect in designing distributed database.Then,it gives purpose principle and technique of data fragment and allocation,explains the transparency of distributed data,and illuminates the relation between data fragment and allocation simply.Finally it outlines some problems about data fragment and allocation in distributed database design.更多还原