Incomplete information and the relational model of data

Authors:
R. B. Abhyankar;R. L. Kashyap
Affiliations:
Department of Mathematics and Computer Science, Indiana State University, Terre Haute, Indiana;School of Electrical Engineering, Purdue University, West Lafayette, Indiana
Venue:
CSC '88 Proceedings of the 1988 ACM sixteenth annual conference on Computer science
Year:
1988

Citing 3
Cited 0

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Dependency Satisfaction in Databases with Incomplete Information

VLDB '84 Proceedings of the 10th International Conference on Very Large Data Bases

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Abstract

A scheme for representing incomplete information in a relational database is presented. Also given are algorithms for performing relational algebra operations, inference rules for data dependencies and conditions for lossless decompositions in the context of the representation scheme introduced here.