In this paper, we propose a new data declustering method-RCMD, which is effective for all kinds of queries.
理论分析和试验结果表明本文提出的RCMD方法优于现有的数据分布方法，具有最好的查询处理性能。
2
Data declustering is the foundation of the parallel processing of database query, which has significant effect on query performance.
数据分布是数据库查询并行处理的基础，良好的数据分布方法对查询性能有着重要影响。
3
Parallel I/O can decluster the multidimensional dataset and store them. Based on this fact, a new cyclic declustering strategy for the large-scale multidimensional dataset is Theed. The e…