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Analytical evaluation of the optimal query processing


O.M. Brekhov

In this paper is proposed a plan for optimizing the query execution time while accessing the database based on ordering the conjunctions of elementary queries, forming the entire or part of the request. An expression is given for the minimum request execution time for an ordered set of elementary requests in accordance with the required system of inequalities.
June 24, 2020
May 29, 2020

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