On the Family of Conditional Embedded Implicational Dependencies

Certain second-order sentences, called conditional embedded implicational dependencies, about relations in a relational database, are defined and studied. This class of dependencies includes some of previously defined dependencies as special cases. Thus, the family of implicational embedded dependen...

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Hlavní autor:	Victor Felea
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Vladimir Andrunachievici Institute of Mathematics and Computer Science 1996-03-01
Edice:	Computer Science Journal of Moldova
Témata:	Armstrong relations functional dependency conditional dependency conditional implicational dependency implicational dependency conditional embedded implicational dependency relational database logical consequence mathematical logic
On-line přístup:	http://www.math.md/nrofdownloads.php?file=/files/csjm/v3-n3/v3-n3-(pp238-251).pdf
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