Features of SQL table expressions and their compliance with the concepts of relational model
The paper analyses a behavior of the SQL standard’s table expressions in comparison with relational equivalents. The concept of relation of relational model presumes nonexistence of duplicate tuples, attributes of the same name, ordering of attributes, ordering of tuples, no-typed NULLs. The paper d...
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Format: | Article |
Language: | English |
Published: |
Ivannikov Institute for System Programming of the Russian Academy of Sciences
2018-10-01
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Series: | Труды Института системного программирования РАН |
Subjects: | |
Online Access: | https://ispranproceedings.elpub.ru/jour/article/view/965 |