On the complexity of finding the set of candidate keys for a given set of functional dependencies. (English) Zbl 0336.68018


68N01 General topics in the theory of software
68W99 Algorithms in computer science
68Q25 Analysis of algorithms and problem complexity
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[1] Codd, E.F., A relational model of data for large shared data banks, Cacm, 13, 377-387, (1970) · Zbl 0207.18003
[2] E.F. Codd, Normalized data base structure: A brief tutorial, Proc. 1971 ACM-SIGFIDET Workshop on Data Description, Access and Control. · Zbl 0296.68041
[3] Codd, E.F., Further normalization of the data base relational model, (), 33-64
[4] Delobel, C.; Casey, R.G., Decomposition of a data base and the theory of Boolean switching functions, IBM J. res. & devel., 17, 374-386, (1973), Sept. · Zbl 0259.68016
[5] R. Fadous, J. Forsyth, Finding candidate keys for relational data bases, Proc. 1975 ACM SIGMOD, pp. 203-210.
[6] Armstrong, W.W., Dependency structures of data base relationships, (), 580-583 · Zbl 0296.68038
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