On the Expressive Power of the Logical Data Model (Preliminary Report).

Gabriel M. Kuper Moshe Y. Vardi

Published in: SIGMOD Conference (1985)

Keyphrases

expressive power
logical data model
query language
data model
data complexity
first order logic
relational algebra
computational properties
transitive closure
query evaluation
databases
relational calculus
recursive queries
database query languages
aggregate functions