One Flavor Assumption and Gamma-Acyclicity for Universal Relation Views.

Joachim Biskup Hans Hermann Brüggemann L. Schnetgöke M. Kramer

Published in: PODS (1986)

Keyphrases

universal relation
functional dependencies
relational database theory
multiple views
relational algebra
data exchange
inclusion dependencies
machine learning
null values
database schemes
database
expressive power
query answering
relational model
inference rules