DocumentCode
868776
Title
The universal-relation data model for logical independence
Author
Vardi, Moshe Y.
Author_Institution
IBM Almaden Res. Center, San Jose, CA, USA
Volume
5
Issue
2
fYear
1988
fDate
3/1/1988 12:00:00 AM
Firstpage
80
Lastpage
85
Abstract
The universal-relation model is introduced, and its fundamental ideas are outlined. This model keeps access-path independence by removing the need for logical navigation among relations. One benefit is a simple yet powerful query-language interface. Two universal-relation database-management systems are discussed that provide good examples of the model: System/U, developed at Stanford University, and FIDL, developed at International Computers Ltd. in Britain.<>
Keywords
information retrieval; query languages; relational databases; FIDL; International Computers; Stanford University; System/U; access-path independence; database-management systems; information retrieval; logical independence; logical navigation; query processing; query-language interface; relational databases; universal-relation data model; Data models; Database systems; Delta modulation; Marine vehicles; Navigation; PROM; Programming profession; Project management; Relational databases;
fLanguage
English
Journal_Title
Software, IEEE
Publisher
ieee
ISSN
0740-7459
Type
jour
DOI
10.1109/52.2015
Filename
2015
Link To Document