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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| Дата: | 2026 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | Українська |
| Опубліковано: |
PROBLEMS IN PROGRAMMING
2026
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| Онлайн доступ: | https://pp.isofts.kiev.ua/index.php/ojs1/article/view/925 |
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| Назва журналу: | Problems in programming |
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Problems in programming| Резюме: | 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 case may mean the sufficient optimization of the source code in comparison with the previous one.Problems in programming 2010; 2-3:376-381 |
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