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Optimization of query in relational databases

Kutsenko Irina L’vovna  (candidate of physical and mathematical science, associate professor, Peoples' Friendship University of Russia)

This article considers statistical method for optimizing the query of relational databases. Methods for converting the current query into more efficient form using heuristic rules.

Keywords:Database, query optimization, heuristic rules, query tree, relational algebra operations, canonical query tree.
 

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Citation link:
Kutsenko I. L. Optimization of query in relational databases // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2021. -№03. -С. 129-134 DOI 10.37882/2223-2966.2021.03.22
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