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On the Existence of Acyclic Views in a Database Scheme.
Giorgio Ausiello
Alessandro D'Atri
Marina Moscarini
Published in:
Theor. Comput. Sci. (1985)
Keyphrases
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database
databases
relational databases
database schemes
np complete
database management systems
multiple views
database systems
np hard
data management
single view
metadata
query language
database queries