SELECT statement in N-Declarative Language
Автор: Olkhovik Oleg V.
Журнал: Вестник Донского государственного технического университета @vestnik-donstu
Рубрика: Технические науки
Статья в выпуске: 7 (58) т.11, 2011 года.
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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 operations and other special operations on the subsets of this relationship.
Model-driven engineering, information systems, databases, query languages, оператор select, select statement
Короткий адрес: https://sciup.org/14249639
IDR: 14249639
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