Guaranteeing no interaction between functional dependencies and tree-like inclusion dependencies
Levene, Mark and Loizou, George (2001) Guaranteeing no interaction between functional dependencies and tree-like inclusion dependencies. Theoretical Computer Science 254 (1-2), pp. 683-690. ISSN 0304-3975.
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Abstract
Functional dependencies (FDs) and inclusion dependencies (INDs) are the most fundamental integrity constraints that arise in practice in relational databases. A given set of FDs does not interact with a given set of INDs if logical implication of any FD can be determined solely by the given set of FDs, and logical implication of any IND can be determined solely by the given set of INDs. The set of tree-like INDs constitutes a useful subclass of INDs whose implication problem is polynomial time decidable. We exhibit a necessary and sufficient condition for a set of FDs and tree-like INDs not to interact; this condition can be tested in polynomial time.
Metadata
| Item Type: | Article |
|---|---|
| Keyword(s) / Subject(s): | Relation, Database, Logical implication, Functional dependency, Inclusion dependency |
| School: | Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences |
| Research Centres and Institutes: | Birkbeck Knowledge Lab |
| Depositing User: | Administrator |
| Date Deposited: | 09 Aug 2005 |
| Last Modified: | 09 Aug 2023 12:28 |
| URI: | https://eprints.bbk.ac.uk/id/eprint/194 |
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