DocumentCode
3436557
Title
Foreign Superkeys and Constant References
Author
Heggland, Jon
Author_Institution
Norwegian Univ. of Sci. & Technol., Trondheim
fYear
2007
fDate
6-8 Sept. 2007
Firstpage
149
Lastpage
153
Abstract
A foreign superkey in relational database theory is a set of attributes referring to a superkey of some relation variable. In this paper, the notion of constant references is introduced: foreign superkeys with constant elements, which lead to simplified constraint formulation and integrity enforcement when implementing entity subclassing in relational databases.
Keywords
data integrity; relational databases; constant references; constraint formulation; foreign superkeys; integrity enforcement; relational database; Constraint theory; Data engineering; Data models; Information science; Relational databases; Relational theory; entity; foreign keys.; integrity constraints; subclassing;
fLanguage
English
Publisher
ieee
Conference_Titel
Database Engineering and Applications Symposium, 2007. IDEAS 2007. 11th International
Conference_Location
Banff, Alta.
ISSN
1098-8068
Print_ISBN
978-0-7695-2947-9
Type
conf
DOI
10.1109/IDEAS.2007.4318099
Filename
4318099
Link To Document