A Characterization of Constant-time-maintainability for BCNF Database Schemes

Summary: Characterization of constant-time-maintainability for BCNF schemes under key dependencies; efficient tester and maintenance algorithm with state-size-independent runtime. Shows boundedness of CTM BCNF schemes; total projections computable as unions of extension-join projections. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: h85625118c74c9f42
Venue: SIGMOD
Year: 1988
Pagerank: 5.3350162e-05
Overall Rank: 8,466 | 43.08%
DOI: 10.1145/50202.50228

Incoming Non-self Citations Over Time

Authors

1. Héctor J. Hernández (Texas A&M University)
2. Edward P.F. Chan (University of Waterloo)

BibTeX Citation

@inproceedings{hernandez_sigmod88,
        title = {{A Characterization of Constant-time-maintainability for BCNF Database Schemes}},
        author = {Hernández, Héctor J. and Chan, Edward P.F.},
        series = {{SIGMOD} '88},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/50202.50228},
        url = {https://dl.acm.org/doi/10.1145/50202.50228},
        year = {1988}
}

Incoming Citations (Sorted by Pagerank)

Showing 1 of 1 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
13,424	Can Constant-time Maintainability Be More Practical?	1989	PODS	4.9793485e-05

Outgoing Citations (Sorted by Pagerank)

Showing 8 of 8 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
41	Testing Implications Of Data Dependencies	1979	SIGMOD	0.00045899672
278	Can We Use The Universal Instance Assumption Without Using Nulls?	1981	SIGMOD	0.00022313978
769	Independent Database Schemas (Extended Abstract)	1982	PODS	0.00014104125
3,476	Reflections on Boyce-Codd Normal Form	1982	VLDB	7.2707399e-05
3,619	Efficient Query Answering in the Representative Instance Approach	1985	PODS	7.1558272e-05
4,701	Updating a Relational Database through a Universal Schema Interface	1985	PODS	6.463178e-05
5,480	Constant Time Maintenance or The Triumph of the fd.	1986	PODS	6.1130394e-05
8,465	Independence-reducible Database Schemes	1988	PODS	5.3350162e-05

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3	1,455	On Computing Restricted Projections of Representative Instances	1985	PODS
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6	13,460	Logical Design of Relational Database Schemes	1987	PODS
7	13,461	On Designing Database Schemes Bounded or Constant-time-maintainable with respect to Functional Dependencies	1987	PODS
8	13,410	Polynomial Time Designs toward Both BCNF and Efficient Data Manipulation	1990	SIGMOD
9	5,480	Constant Time Maintenance or The Triumph of the fd.	1986	PODS
10	13,424	Can Constant-time Maintainability Be More Practical?	1989	PODS