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Published in:
1990 | OriginalPaper | Chapter
Prolog as a Query Language
Authors : Stefano Ceri, Georg Gottlob, Letizia Tanca
Published in: Logic Programming and Databases
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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In Chap. 1 we provided an overview of the main reasons for the integration of database and logic programming technologies, and we established a comparison between the main features of relational databases and logic programming languages. Here we will just recall some important aspects of Prolog as a query language; these features essentially enrich the expressive power of classical query languages based on relational algebra or calculus.