基于多连接属性划分的分布式数据库查询优化算法

Query Optimal Algorithm of Distributed Database Based on Multi-Transmission Attribute Partition

阐述查询优化的主要目的,针对分布式数据库的查询优化,介绍直接连接的查询策略以及直接查询优化算法hash划分算法与Partition算法,提出基于多连接属性划分的查询优化算法——MP算法。该算法在实验中取得较好的结果。

Illustrates the chief purpose of query optimization and introduces direct attached strategy and the direct query optimal algorithm as well as MP（Multi-Partition）based on query optimal algorithm with multi-transmission attribute partition.This algorithm gains a preferable result in experiment.