摘要
研究了多源单视图下数据仓库实体化视图联机维护与下查一致性问题,并提出普适性强一致收敛维护算法M Glide。算法引入动作列表来控制数据仓库收到的信息顺序,采用版本控制、补偿思想和应答机制来协调源数据库与数据仓库间的数据更新,从而保证了数据仓库视图维护与下查的一致性,并通过一个示例说明了该算法在实际中的具体运用。
The consistency of view maintenance and drill-down at the warehouse span multiple sources is studied. So the wide strongly consistent algorithm M-Glide is introduced, which imposes an action list to record the updating sequel sets, and uses version control and compensating mechanisms, along with acknowledgementmechanisms, to synchronize the data refreshments between data sources and data warehouse. The authors illustrate the application of the algorithm by a typical example.
出处
《重庆大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2005年第5期80-85,共6页
Journal of Chongqing University
基金
国家教育部博士生基金资助项目(98061117)
