浅谈分布式数据库中数据分片与分配关系的比较

Discussion on Comparison of Data Partitioning and Distribution Relationship in Distributed Database

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。

This paper compares distributed database with cent ralized database and indicates data of ragment and allocation isthe important aspect in designing dist ributed database.Then,it gives purpose principle and technique of data of ragment and allo2cation,explains the transparency of dist ributed 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.