DocumentCode
2490554
Title
An algebra and calculus for relational multidatabase systems
Author
Grant, John ; Litwin, Witold ; Roussopoulos, Nick ; Sellis, Timos
fYear
1991
fDate
7-9 Apr 1991
Firstpage
118
Lastpage
124
Abstract
With the existence of many autonomous databases widely accessible through computer networks, users will require the capability to jointly manipulate data in different databases. A multidatabase system provides such a capability through a multidatabase manipulation language. The authors propose a theoretical foundation for such languages by presenting a multirelational algebra and calculus based on the relational algebra and calculus. The proposal is illustrated by various queries on an example multidatabase
Keywords
database theory; distributed databases; query languages; relational databases; autonomous databases; calculus; computer networks; multidatabase manipulation language; multidatabase system; multirelational algebra; relational algebra; theoretical foundation; Algebra; Calculus; Computer networks; Computer science; Data models; Data structures; Database systems; Military computing; Relational databases; Spatial databases;
fLanguage
English
Publisher
ieee
Conference_Titel
Interoperability in Multidatabase Systems, 1991. IMS '91. Proceedings., First International Workshop on
Conference_Location
Kyoto
Print_ISBN
0-8186-2205-9
Type
conf
DOI
10.1109/IMS.1991.153694
Filename
153694
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