SELECT statement in N-Declarative Language

Автор: Olkhovik Oleg V.

Журнал: Advanced Engineering Research (Rostov-on-Don) @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   |   УДК: 519.7: