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Contribution to the theory of data base relations. (English) Zbl 0399.68029


MSC:

68P05 Data structures
Full Text: DOI

References:

[1] Codd, E. F., A relation model of data for large shared data banks, CACM, 13, 6 (1970) · Zbl 0207.18003
[2] Codd, E. F., Further normalization of the data base relational model, (Courant Inst. Comp. Sci. Symp. 6, Data Base Systems (1971), Prentice-Hall: Prentice-Hall Englewood Cliffs, NJ), 33-64
[3] Sperner, E., Ein Satz über Untermengen einer endlichen Menge, Math. Zeitschrift, Band 27, 544-548 (1928) · JFM 54.0090.06
[4] Armstrong, W. W., Dependency structures of data base relationships, (Information Processing, 74 (1974), North-Holland: North-Holland Amsterdam), 580-583 · Zbl 0296.68038
[5] Delobel, C.; Casey, R. G., Decomposition of a data base and the theory of Boolean switching functions, IBM J. Res. and Dev., 17, 374-386 (1973) · Zbl 0259.68016
[6] Yu, C. T.; Johnson, D. T., On the complexity of finding the set of candidate keys for a given set of functional dependencies, Information Processing Lett., 5, 4, 100-101 (1976) · Zbl 0336.68018
[7] S.L. Osborne, and F.Wm. Tompa, Comment on Yu and Johnson’s bound on the complexity of finding candidates keys (preprint).; S.L. Osborne, and F.Wm. Tompa, Comment on Yu and Johnson’s bound on the complexity of finding candidates keys (preprint).
[8] Fadous, R. Y., Mathematical foundations for relational data bases, (Ph.D. Dissertation (1975), Computer Science Dept., Michigan Univ)
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