并行数据仓库的研究  

The Research of Parallel Data Warehouse

作　　者：蒋旭东[1] 冯建华[1] 周立柱[1] 

机构地区：[1]清华大学计算机系,北京100084

出　　处：《计算机科学》2001年第3期1-3,10,共4页Computer Science

摘　　要：1 前言 数据仓库技术是在需求的驱动下产生和发展起来的。最初为提高决策支持系统的性能，人们开始尝试对日常事务处理数据库中的原始数据进行加工，而单独形成一个综合的、面向分析、决策的数据组织，即数据仓库，然后在此基础之上构造决策支持系统。Because the data warehouse is required to contain more and more data,how to store .manage and access the data efficiently becomes the key issue in data warehouse system. To meet the user's increasing requirements,we should build parallel data warehouse by using parallel technology to get high performance data warehouse and OLAP(Online Analytical Processing)system. In this paper,we briefly introduce the technical base of parallel data warehouse .which includes current data warehouse ,parallel computing and parallel database techniques. Then we discuss the new research problems in detail when combining the data warehouse and parallel computing techniques ,which mainly include data partitioning in data warehouse .massive data loading in parallel ,parallel processing OLAP queries and parallel query optimization under data warehouse environment.

关 键 词：并行数据仓库 数据库管理系统 联机事务处理 数据模型 

分 类 号：TP311.133[自动化与计算机技术—计算机软件与理论]