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Finding equivalent rewritings in the presence of arithmetic comparisons
(2006)
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of data-management problems. For select-project-join SQL (a.k.a. conjunctive) queries and views, ...
Designing views to efficiently answer real SQL queries
(2005)
The problem of optimizing queries in the presence of materialized views and the related view-design problem have recently attracted a lot of attention. Significant research results have been reported, and materialized views ...