## Candidate keys for relations.(English)Zbl 0395.68025

### MSC:

 68P05 Data structures 68Q25 Analysis of algorithms and problem complexity 68W99 Algorithms in computer science 68P20 Information storage and retrieval of data

### Keywords:

Candidate Keys; Relational Data Base; Algorithms; Np-Complete
Full Text:

### References:

 [1] Bernstein, P.A., Normalization and functional dependencies in the relational data base model, () [2] Bernstein, P.A.; Beeri, C., An algorithmic approach to normalization of relational data base systems, () [3] Bernstein, P.A.; Swenson, J.R.; Tsichritzis, D.C., A unified approach to functional dependencies and relations, (), 237-245 [4] Codd, E.F., A relational model of data for large shared data banks, Comm. ACM, 13, No. 6, 377-387, (1970) · Zbl 0207.18003 [5] Codd, E.F., Further normalization of the data base relational model, (), 33-64 [6] Cook, S.A., The complexity of theorem proving procedures, (), 151-158 · Zbl 0363.68125 [7] Delobel, C.; Casey, R.G., Decomposition of a data base and the theory of Boolean switching functions, IBM J. res. develop., 17, No. 5, 374-386, (1973) · Zbl 0259.68016 [8] Fadous, R.; Forsyth, J., Finding candidate keys for relational data bases, (), 203-210 [9] Karp, R.M., Reducibility among combinatorial problems, (), 85-103 · Zbl 0366.68041 [10] Osborn, S.L., Normal forms for relational data bases, () [11] Tutte, W.T., Connectivity in graphs, (1966), University of Toronto Press · Zbl 0146.45603
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