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Query optimization from DL/1 (IMS) to sol

The programming language DL/1 (DBMS IMS) has significantly lower level than SQL-language, but many technologies consider that in migration process each DL/1-statement is changed with exactly one SQL-statement. However sometimes one SQL-statement can be put instead of sequence of DLI-statements. Last...

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Bibliographic Details
Published in:PROBLEMS IN PROGRAMMING
Date:2026
Issue:2-3
Pages:376-381
ISSN:1727-4907
Author Affiliations:
  • A.V. Anisimov — Kiev Taras Shevchenko National University
  • O.P. Kulyabko — Kiev Taras Shevchenko National University
  • P.P. Kulyabko — Kiev Taras Shevchenko National University
  • O.O. Marchenko — Kiev Taras Shevchenko National University
Keywords:sql- запит, nosql, мова запиту dgql, newsql, ве- рифікація даних, реляційні бази даних, exec sql та end-exec, ids-системи, база даних, міграція даних
Main Authors: Anisimov, A.V., Kulyabko, O.P., Kulyabko, P.P., Marchenko, O.O.
Format: Article
Language:Ukrainian
Published: PROBLEMS IN PROGRAMMING 2026
Subjects:
UDC 681.3.06
Online Access:https://pp.isofts.kiev.ua/index.php/ojs1/article/view/925
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Journal Title:Problems in programming
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