Rewriting Aggregate Queries Using Views

Abstract

We investigate the problem of rewriting queries with aggregate operators using views that may or may not contain aggregate operators. A rewriting of a query is a second query that uses view predicates such that evaluating rst the views and then the rewriting yields the same result as evaluating the original query. In this sense, the original query and the… (More)
DOI: 10.1145/303976.303992

Topics

4 Figures and Tables

Slides referencing similar topics