On the expressive power of the relational algebra with partially ordered domains.

Wilfred Ng Mark Levene Trevor I. Fenner

Published in: Int. J. Comput. Math. (2000)

Keyphrases

expressive power
relational algebra
partially ordered
partial order
query language
relational calculus
first order logic
relational database systems
data complexity
transitive closure
database query languages
relational data model
relational model
artificial intelligence
recursive queries