Problem of incomplete information in relational data bases, the
Auteur :
Grahne, Gosta
Éditeur :
Grahne, Gosta
ISBN :
9783540549192
Date de publication :
13 nov. 1991
Dimensions :
23,4 x 15,6 x 0,9 cm
Poids :
550 g
Format :
Trade paperback (US)
Langue :
Anglais
Pays d'origine :
Allemagne
A null value in a relational database represents missing information. This monograph analyses the problems raised by allowing null values in relational databases. Semantical, syntactical, and computational aspects are covered.