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Optimization of the execution plan of multi and nested queries

Keywords:

O.M. Brekhov – Dr. Sc. (Eng.), Professor, Moscow Aviation Institute (Natonal Research) Universiti. E-mail: obrekhov@mail.ru
Winna Kyaw Kyaw – Post-graduate Student, Moscow Aviation Institute (Natonal Research) Universiti. E-mail: flashetorch@gmail.com
Than Hlaing Muint – Post-graduate Student, Moscow Aviation Institute (Natonal Research) Universiti. E-mail: hlaing82@gmail.com


The plan for optimizing the execution time of multi and nested queries while accessing the database based on ordering the conjunctions of elementary queries is proposed. Two execution ways of multi and nested queries are considered: independently from each other and in common. This problem is actual for databases of aerospace systems.
References:

  1. Amol Deshpande, Zacchary Ives, Vijayshankar Raman – Adaptive Query Processing // Foundations and Trends in Databases. 2007. V. 1. № 1(2007). R. 1–140.
  2. Brekhov O.M. Analiticheskaya oczenka optimal'noj obrabotki zaprosov // Uspexi sovremennoj radioe'lektroniki. 2012. № 7. C. 37–45.

May 29, 2020

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