【摘要】 随着数据仓库技术的迅速发展,实视图作为其中一项可以提供数据存储方式和提高查询响应性能的关键技术得到了充分的重视。但是如何对实视图集进行及时更新,以充分发挥其加快决策查询速度的作用,并满足用户对数据一致性和时新性的要求,却是一个迫切需要解决的关键性技术问题。本文在对实视图维护问题进行了深入研究的基础上,就目前的研究现状作详细的分析和总结。更多还原

【Abstract】 With the booming development of data warehouse,materialized view technology as a very powerful method for improving query response performance and data storage efficiency has been further developed.But how to maintain the materialized views in time is a very complex and difficult task,and it is one of the key issues in the data warehouse.In this paper,we concern much on this problem,and make a detailed discussion for materialized view maintenance algorithm.更多还原