Leonid Libkin, Limsoon Wong  Home/Search
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Abstract: this report as a basis for investigating aggregate functions. In section 2, the nested relational calculus NRC(=) is described. It is then endowed with rational numbers, rational arithmetic, and a summation operator. The augmented language, NRC(Q ; +; \Delta; \Gamma; \Xi; (Update)
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BibTeX entry: (Update)
@misc{ libkin-aggregate,
author = "Leonid Libkin and Limsoon Wong",
title = "Aggregate Functions, Conservative Extension, and Linear Orders",
url = "citeseer.ist.psu.edu/5104.html" }
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