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A Differential Refresh Scheme For Remote End-User's Views, David Chao, George Diehr, Aditya N. Saharia
A Differential Refresh Scheme For Remote End-User's Views, David Chao, George Diehr, Aditya N. Saharia
Journal of International Information Management
The growth of end-user computing and recent developments in information technology, such as client/server architecture and data warehouse, promote the use of remote materialized views (RMVs) to support end-users. This article presents a differential scheme to refresh remote end-user's views. The scheme stores the effects of updates relevant to the RMV in a "difference table" which is transmitted to the remote site upon receiving the refresh request to update the RMV. The scheme provides a fast response to a user's refresh request. We discuss the data structures and algorithms of the scheme. Performance measures are developed and compared with the …