SELECT STATEMENT IN N-DECLARATIVE LANGUAGE
Syntax and semantics of the SELECT statement in N-Declarative Language are described. It is shown that for each class in the sense of N-data model the relation containing the attribute values in this informative class can be built up, and the SELECT statement implements the relational algebra operat...
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Format: | Article |
Language: | Russian |
Published: |
Don State Technical University
2011-08-01
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Series: | Advanced Engineering Research |
Subjects: | |
Online Access: | https://www.vestnik-donstu.ru/jour/article/view/819 |