Relational Lattice Axioms

Details Relational Lattice Axioms Relational Lattice Axioms

2008-07-24

arxiv.org/abs/0807.3795v1

Computer Science

Databases

10 pages, 4 figures

Scientific paper

Relational lattice is a formal mathematical model for Relational algebra. It reduces the set of six classic relational algebra operators to two: natural join and inner union. We continue to investigate Relational lattice properties with emphasis onto axiomatic definition. New results include additional axioms, equational definition for set difference (more generally anti-join), and case study demonstrating application of the relational lattice theory for query transformations.

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