Шукати за:
Роком видання
Автором
Назвою статті
A double Complement Law and a Difference Transformation Rule in Table Algebra
Повний текст (PDF)
УДК: 004.655
Мова публікації: Російська
Stuc. intelekt. 2013; 18; (2):139–144
Анотація: In this paper is found the necessary and sufficient conditions due to which in table algebra are fulfilled the double complement law and the difference transformation rule. This conditions are illustrated in exemples.
Ключові слова: table algebra, active complement, difference, database
Посилання:
- Codd E.F. A Relational Model of Data for Large Shared Data Banks / E.F. Codd // Communications ofthe ACM. – 1970. – V. 13, №. 6. – P. 377-387.
- Relational data base: table algebras and family of the SQL languages / [V.N. Redko, U.I. Brona,D.B. Buy, S.А. Polyakov]. – Kiev : Publisher «Academperiodica», 2001. – 198 р. (in Ukrainian).
- D. Maier. The theory of Relational Databases / D. Maier ; [translation from English]. – Moscow : «Mir»,1987. – 608 p. (in Russian).