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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
Date:	2026
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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