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Maintenance of Materialized Views: Problems, Techniques, and Applications (1995)
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| Citations: | 314 - 9 self |
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@MISC{Gupta95maintenanceof,
author = {Ashish Gupta and Inderpal Singh Mumick},
title = {Maintenance of Materialized Views: Problems, Techniques, and Applications},
year = {1995}
}
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Abstract
In this paper we motivate and describe materialized views, their applications, and the problems and techniques for their maintenance. We present a taxonomy of view maintenanceproblems basedupon the class of views considered, upon the resources used to maintain the view, upon the types of modi#cations to the base data that areconsidered during maintenance, and whether the technique works for all instances of databases and modi#cations. We describe some of the view maintenancetechniques proposed in the literature in terms of our taxonomy. Finally, we consider new and promising application domains that are likely to drive work in materialized views and view maintenance. 1 Introduction What is a view? A view is a derived relation de#ned in terms of base #stored# relations. A view thus de#nes a function from a set of base tables to a derived table; this function is typically recomputed every time the view is referenced. What is a materialized view? A view can be materialized by storin...
