Rewriting queries with arbitrary aggregation functions using views

Abstract

The problem of rewriting aggregate queries using views is studied for conjunctive queries with arbitrary aggregation functions and built-in predicates. Two types of queries over views are introduced for rewriting aggregate queries: <i>pure candidates</i> and <i>aggregate candidates</i>. Pure candidates can be used to rewrite arbitrary aggregate queries… (More)
DOI: 10.1145/1138394.1138400

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Cite this paper

@article{Cohen2006RewritingQW, title={Rewriting queries with arbitrary aggregation functions using views}, author={Sara Cohen and Werner Nutt and Yehoshua Sagiv}, journal={ACM Trans. Database Syst.}, year={2006}, volume={31}, pages={672-715} }